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Back-to-basics for managing health of cage-free pullets
Poultry producers with cage-free pullet systems should go back to the basics of bird management to keep their flocks healthy and productive.
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Automation key to ensuring sanitation in ‘no antibiotics ever’ systems
Labor shortages in hatcheries mean that to ensure appropriate levels of sanitation in “no antibiotics ever” production, wholesale automation is likely to be required.
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Management, vaccination keys to Salmonella prevention in cage-free egg layers
By John Brown, DVM, Senior technical services veterinarian, Zoetis
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Circulation fans reduce severity of footpad dermatitis
Footpad dermatitis causes significant foot problems for broilers, which adversely affects bird welfare and the market for broiler paws, according to research from the University of Maryland.
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Nutritionist: Understanding probiotics is key to managing them effectively in poultry
With the ever-increasing shift to “no-antibiotics-ever” (NAE) production, probiotics have become more common in poultry diets, said Elizabeth Bobeck, PhD, a nutritional immunology expert and...
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Why new HPAI variants continue to emerge
The frequency of highly pathogenic avian influenza (HPAI) outbreaks is on the increase in the US with 6 of the past 8 years experiencing some form of HPAI.
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Researchers address producer FAQs around cage-free egg production
The US egg industry is in the process of transitioning to cage-free egg production, but many questions remain about the best practices and facilities for these types of production systems.
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Distinctive condition affects layers as well as turkeys, broilers
A disease commonly seen in turkey and broiler flocks can also affect layers, meaning that producers should look out for its distinctive signs.
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Bugs should be a key focus of biosecurity in controlling turkey disease
Producers should play close attention to insect control in their poultry houses to avoid cases of turkey coronavirus enteritis (TCE).
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How effective IBV surveillance can prevent ‘overvaccination’
Consistent surveillance and analysis of infectious bronchitis virus (IBV) at poultry production facilities can guard against “overvaccination” — where too much vaccine virus in the environment...
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Shedding light on LED lamps and dimmers: They’re not all a match
Getting the correct lighting is important in poultry houses to help maximize the birds’ genetic potential; however, too often there’s a disconnect between the LED lamps and the dimmers in...
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Vegetative buffers yield many benefits for poultry farms
Vegetative buffers offer aesthetic, poultry-management and disease-control benefits to producers, in addition to showing the farm’s commitment to environmental stewardship.
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Agreed indicators should help drive poultry-industry welfare
Using key welfare indicators (KWIs) can help fill a communication gap around welfare progress in the US poultry industry.
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Study examines game camera use on poultry farm for biosecurity
Inexpensive game cameras installed on turkey farms can reveal important biosecurity information, but it comes with some caveats, according to researchers at the University of Minnesota.
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UMN expert: Transparency, communication keys to mitigating the risks of HPAI
The US has a long history of effective disease control and has eradicated or remained free of many pests and agents even as they remain endemic in other parts of the world, said Carol Cardona, DVM,...
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Farm mortality issues highlight importance of checking water supply
Producers need to be alert to the dangers of drinking-water toxicity issues, according to a senior industry veterinarian.
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NAE producers need to focus on Eimeria oocysts for more effective control of coccidiosis, necrotic enteritis
By Don Waldrip, DVM, Senior Technical Service Veterinarian, Zoetis
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Vaccinating for Marek’s? Don’t be thrown off by PFU levels
Poultry veterinarians should not get hung up on the level of plaque-forming units (PFUs) to determine the strength of recombinant Marek’s vaccines, according to Isabel M. Gimeno, DVM, PhD,...
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Coccidiosis: An old problem with some new challenges
Coccidiosis in broiler houses remains a nagging challenge. While clinical manifestations are rare, it’s the subclinical condition that impacts the flock through poor feed efficiency and reduced...
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UMN training program focuses on poultry company decision-making, during AI outbreaks
The University of Minnesota offers a training program to help poultry companies understand and prepare for avian influenza outbreaks.
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SFS program helping to identify best practices for HPAI risk assessments
The University of Minnesota’s Secure Food Systems team develops and publishes science-based risk assessments for the movement of poultry products from monitored (uninfected) premises in control...
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Environmental enrichments increased broiler activity in study
Environmental enrichments in broiler houses may improve bird welfare by increasing natural behaviors, according to a University of Maryland study.
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Too few aware of FSIS guidelines about live Salmonella vaccines
By Douglas L. Fulnechek, DVM, Senior Public Health Veterinarian, Zoetis
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HPAI pushes holiday turkey prices to record highs
The widespread outbreak of Highly Avian Pathogenic Avian Influenza (HPAI) across the US is expected to push up the cost of turkeys to record highs this holiday season. What does CoBank say about the...
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Home for the holidays? Poultry vet urges ‘aseptic technique’ in the kitchen
By Robert O’Connor, DVM, MAM, Senior vice president, Foster Farms
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Long-term control for IBH includes vaccines, management protocols
Inclusion body hepatitis (IBH) remains a nagging issue for broiler flocks, and it isn’t going away anytime soon.
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Don’t overlook feed biosecurity in efforts to manage Salmonella
Biosecurity in feed mills and on-farm feed storage should not be overlooked when it comes to managing the risk of Salmonella in poultry flocks, according to a turkey-health expert.
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Vaccines, biosecurity, management keys to keeping IBH in check
Inclusion body hepatitis can be a challenging disease, as the clinical signs are non-specific and there is no direct treatment. Consequently, producers rely on interventions such vaccinations.
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Impact of acidified water on live Salmonella vaccine evaluated in broilers challenged with S. Heidelberg
Acidified drinking water did not impair the efficacy of a live Salmonella Typhimurium (ST) vaccine in broilers challenged with Salmonella Heidelberg.
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E. coli implicated in layer gut disease
E.coli may be largely responsible for focal duodenel necrosis (FDN) in layer chickens, according to research presented at the 2022 International Poultry Scientific Forum (IPSF).
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Study: Day length during brooding did not impact broiler performance
Extended day length during the brooding period is thought to benefit broilers’ long-term performance and well-being. However, a University of Georgia study has re-evaluated that idea.
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Reusing poultry litter may reduce antibiotic-resistant Salmonella
Reusing poultry litter can help boost bird health and may help prevent the transfer of antibiotic-resistant Salmonella, scientists have discovered.
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Focus on the details to ensure ILT vaccination success
TOOLBOX, Issue 35: An interview with Dale Gambrill, Senior account manager, Zoetis
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Improving Salmonella surveillance in turkeys
High-profile Salmonella outbreaks in turkeys in recent years have shown the need for improved surveillance in the turkey industry.
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Diagnostics for IBH start with subtle indicators
Inclusion body hepatitis (IBH) infections may not offer clear-cut clinical symptoms, but there are on-farm diagnostic measures that can yield early warnings.
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Research facility opened to help track and diagnose avian influenza outbreaks
Scientists’ ability to respond to outbreaks of highly pathogenic avian influenza and other emerging poultry diseases have been given a boost with the opening of an innovative research unit.
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Live-vaccine program a ‘must have’ to deal with cage-free E. coli challenge
A higher risk of bacterial challenges in cage-free egg production means a live-vaccination program against Escherichia coli is a “must-have minimum” for flocks reared in alternative systems.
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Breed may impact broiler response to Salmonella infection
Research at the University of Arkansas suggests broiler breed could affect birds’ immune response to Salmonella exposure, according to Shawna Weimer, PhD, director of the Center for Food Animal...
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HPAI prevention requires ‘buckle-up’ mentality to biosecurity
The only option for poultry farms to prevent an outbreak of highly pathogenic avian influenza (HPAI) is 100% adherence to biosecurity rules.
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Anticoccidial sensitivity tests: Useful or not?
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
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No consensus on future success of Salmonella control for poultry industry
Opinions about the poultry industry’s future success in controlling Salmonella differ widely, judging by comments from panelists at a food-safety roundtable.
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COVID pandemic had some positive effects on poultry health and welfare
Management techniques adopted to cope with COVID-19 production challenges led to improvements in bird health and welfare for many poultry producers.
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Salmonella serotypes are changing — monitor which ones are in your flock
It’s imperative for poultry producers and companies to know what strains of Salmonella may be circulating in their flocks, said Chuck Hofacre, president of the Southern Poultry Research Group in...
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Tooling up for better disease protection through applied research
Vaccines are powerful, widely used tools for managing poultry diseases. How can the industry keep pace with variant viruses and other challenges?
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Recombinant vaccines for poultry: How to maximize results
Proper vaccine handling, dosage and administration are key to ensuring thorough and effective coverage. That statement is particularly true when talking about recombinant-vector vaccines.
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ILT vaccine choices: A closer look
With continued wild-type ILT challenges in the field, we are faced with a choice of two vaccine options with proven results — with different priorities affecting the final decision.
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Best-management practices key to successful NAE broiler production
With many poultry operations switching to no-antibiotics-ever (NAE) production, management and disease control have become even more critical components.
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Avian flu likely to re-emerge and threaten US poultry flocks this fall
US egg and turkey supplies took a hit from highly pathogenic avian influenza (HPAI) this spring as the wild-bird migration exposed domestic flocks to the virus.
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Study highlights risk of high Salmonella exposure, more persistent serotypes
Feed conversion takes a bigger hit in birds with higher Salmonella exposure, while Salmonella Reading outlasts other serotypes through the grow-out period, suggests new work from the University of...
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USDA evaluating Salmonella-reduction steps along the poultry supply chain
Almost 25% of US foodborne illnesses continue to be linked to poultry products. To get an accurate measure of product contamination, USDA is evaluating the poultry supply chain.
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Monitoring hen movement in cage-free aviaries provides valuable feedback
Nearly 35% of laying hens in the US are now raised in cage-free environments, but while these environments offer more space and bigger colonies, the systems are more complex.
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IBH gaining more attention in broiler flocks as incidence, mortalities rise
Inclusion body hepatitis (IBH) is not a new disease of poultry, but it’s quietly spreading to broiler flocks — initially with few clinical signs, followed by death in some flocks.
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Vaccine tweaks can make a big difference against key infectious bronchitis virus strain
New challenge studies have highlighted the best vaccine serotype combinations to tackle the DMV/1639 strain of infectious bronchitis virus (IBV), which has spread from the Delmarva area to become the...
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PHT Perspectives captures highlights of timely poultry health discussions
Poultry Health Today has introduced a new editorial feature called PHT Perspectives, which provides quick-read highlights of recent webinars and roundtables organized by the editors.
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Study shows modified-live vaccine can aid fight against Salmonella Infantis
New research shows that using a modified-live Salmonella Typhimurium (ST) vaccine helps protect broilers against Salmonella Infantis, the most commonly-isolated serotype in chicken parts and...
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Use ‘tools of discovery’ and all your senses to identify emerging poultry diseases
Emerging and re-emerging diseases can cause sudden, potentially catastrophic illness and death in commercial poultry flocks, said R.M. “Mick” Fulton, DVM, PhD, Michigan State University...
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Cooling chickens with sprinklers has multiple benefits
By Tom Tabler, PhD, Extension Professor, Mississippi State University, Extension Service, Poultry Science Department, Mississippi State, Mississippi
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Building the base: What’s your broiler vaccine strategy?
For years, broiler companies have leaned heavily on recombinant vaccines for managing Marek's disease, infectious bursal disease and some viral respiratory diseases. Now, technological advances in...
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Genomic technology sheds light on Salmonella serotypes in breeder flocks
A technology called CRISPR-SeroSeq, which amplifies a section of the Salmonella genome, is helping paint a clearer picture of the serotypes circulating in breeder flocks.
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‘Reverse genetics’ may offer new IBV vaccine targets
Researchers at The Pirbright Institute in the UK report that a recent study provides evidence that mutations in the genetic code for non-structural proteins “offer a promising way” to make...
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Overheating soybean meal hurts gut integrity, broiler growth
Improper heat treatment of soybean meal affects the intestinal integrity of broiler chickens and flock performance, according to a study by researchers at the University of Georgia.
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Why ‘vaccinated’ chickens still get infected with IBV — and what to do about it
While many vaccines and vaccination programs effectively protect against the highly contagious infectious bronchitis virus in poultry, outbreaks of the disease still occur in vaccinated flocks.
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Light impacts behavior in cage-free aviaries
Birds can move out of the reach of the workers’ hands in a multi-tier aviary system, so employees have to climb into the system to get to them. Researchers from Michigan State studied light...
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Live vaccines are key to Salmonella-control programs — here’s why
Immune responses to Salmonella infection are complex, but vaccination has become a key component of multi-step control programs. A new review of evidence to date suggests that live vaccines have...
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Strong, early protection with Poulvac® Procerta® HVT-IBD-ND attributed to extensive prototype screening, unique construction
DISCOVERIES, Issue 15: Rigorous research and the application of cutting-edge technology by Zoetis scientists were behind the development of the newest recombinant vaccine to protect broilers from ...
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Free booklet offers insights for addressing IBH in broilers
Poultry veterinarians throughout the US broiler industry are reporting a re-emergence of inclusion body hepatitis (IBH). The disease, caused by fowl adenovirus (FAdV), often strikes with little...
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Zoetis Expands Poultry Portfolio with Poulvac® Procerta® HVT-IBD-ND
Zoetis has expanded its poultry vaccine portfolio with the introduction of Poulvac® Procerta® HVT-IBD-ND, a recombinant vector vaccine that provides early, robust protection against Marek’s,...
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Poulvac® Procerta® HVT-IBD-ND provides early immunity, convenience for producers
TOOLBOX, Issue 32: An interview with Kalen Cookson, DVM, Director of Clinical Research, Zoetis about the new recombinant vector vaccine, Poulvac Procerta HVT-IBD-ND.
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Veterinarian offers strategies for managing viral diseases in recombinant-based vaccination programs
A well-designed program using recombinant vaccines can help protect flocks against infectious bursal disease, infectious bronchitis and Newcastle disease.
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Marek’s study could lead to new management strategies in poultry
New research has given scientists a greater understanding of the Marek’s disease virus (MDV) that could lead to new strategies for managing the widespread, immunosuppressive disease in poultry.
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Effective Salmonella control requires involvement of entire production chain
By Douglas L. Fulnechek, DVM, Senior Public Health Veterinarian, Zoetis
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Survey shows US poultry industry’s evolving yet flexible approach to coccidiosis management
After years of being an afterthought in many broiler-production schemes, coccidiosis vaccines have become the cornerstone for many control programs.
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Poultry industry can learn from COVID-19
Biosecurity is not sufficient to control avian coronaviruses like infectious bronchitis in commercial poultry, no matter how good it is, said Mark Jackwood, PhD, a molecular virologist and professor...
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Marek’s disease control takes careful attention to detail
The evolution of Marek’s disease virus (MDV) has increased the pathogen’s virulence. Besides the tumors MDV is known for producing, the virus can lead to a multitude of other problems.
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‘Competitive exclusion’ is potential benefit of live Salmonella vaccines in young birds
Live vaccines for Salmonella have been found to start offering protection within a few days of administration, acting “almost as a [form of] competitive exclusion,” said Chuck Hofacre, president...
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Avian flu strain behind recent outbreaks related but not identical to 2014-15 strain
The US poultry industry is on high alert following reports of highly pathogenic avian influenza (HPAI) in both wild birds and commercial flocks in poultry-dense regions of the US market.
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Poor IBV vaccine performance in broiler study underlines need for surveillance
A whole-complex study of broiler breeders in Georgia found underwhelming infectious bronchitis vaccine performance – but with better surveillance and protocols, outcomes could be improved.
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Salmonella Enteritidis in feed can be a source for broiler flocks
The Southern Poultry Research Group created a challenge model to show how S. Enteritidis, can spread among birds when feed is contaminated and to help evaluate products that can eliminate or reduce...
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Getting the best out of bioshuttle programs
By Jon Schaeffer, DVM, PhD, senior director, Technical Services, US Poultry, Zoetis
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California surveillance reveals genetic and seasonal changes in infectious bronchitis virus
Genotypes of infectious bronchitis virus (IBV) found in California between 2012 and 2020 have seen a “major shift,” according to a study investigating patterns of IBV in the state.
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On-site PCR testing could aid smart antibiotic use in mycoplasmosis treatment
Making use of polymerase chain reaction (PCR) testing on chicken farms can help tackle the problem of antibiotic overuse against mycoplasmosis in countries where this treatment approach is prevalent.
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Turkey-farm study finds Salmonella Infantis prevalent
Research studying Salmonella across one turkey producer’s farms found Salmonella Infantis to be by far the dominant serotype.
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UK researchers: Watch for emerging, more infectious strains of avian flu virus
According to research led by The Pirbright Institute, UK, infection with two strains of avian flu virus could lead to the emergence of a new strain with the potential to jump from birds to humans.
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Recombinant vector vaccines boon for industry but not all are the same
Recombinant vector vaccines have been rapidly adopted by the poultry industry, and their use will continue to escalate. However, they are not all the same.
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With avian flu outbreaks, even the Easter bunny is hunting for eggs
The US egg supply is under pressure, first from the impact of Covid-19 and now due to outbreaks of highly pathogenic avian influenza (HPAI).
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Interaction of modified-live and recombinant vaccines shows potential against viral diseases
Adding a modified-live vaccine (MLV) to recombinant vaccine programs against three important viral pathogens in poultry production can have a positive impact on outcomes, according to field work by...
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US poultry producers commit to limiting antibiotics despite production slip
The number of birds in the US broiler industry raised without antibiotics slipped six points to 52% in 2020, according to the latest industry figures, exclusive to Poultry Health Today.
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Comparing necrotic enteritis litter models highlights performance impacts
Reused litter from a previous NE challenge led to more severe subclinical performance impacts but fewer clinical signs of disease than in birds raised on fresh litter.
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Bioshuttle programs valuable tool for managing coccidiosis
Bioshuttle programs are a valuable tool for managing coccidiosis, according to Greg Mathis, PhD, Southern Poultry Research.
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First seven days are crucial in ensuring layer chick quality
Chick quality is crucial in the laying-hen business, and for Ian Rubinoff, DVM, director of global technical services for Hy-Line International, the first 7 days “have an outsized importance.”
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Lockdown mode urged with avian flu outbreaks in Mississippi and Central Flyways
A warning to tighten up biosecurity and reduce movement in and out of poultry houses was issued by Terry Conger, DVM, poultry health epidemiologist with USDA’s APHIS.
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Monitoring field strains key to successful vaccination against IBDV
By Daral J. Jackwood, PhD, Professor, The Ohio State University
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Limiting transmission of parasite currently best option for controlling histomoniasis
By Elle Chadwick, PhD, Consultant, Ag Health Consulting, LLC, LaGrange, Georgia
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What lessons can poultry producers learn from extreme weather events?
Extreme weather can pose a serious challenge for poultry producers — and with weather conditions proving ever-more volatile in some of the US’s key poultry production regions, improved planning...
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‘Winging it’ on Super Bowl Sunday? Remember who made it possible
Planning to devour a few chicken wings on Super Bowl Sunday? Remember to raise a glass to the poultry producers and veterinarians who raised those healthy birds.
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Highly pathogenic avian influenza found in Indiana commercial turkey flock
USDA's APHIS has confirmed the presence of highly pathogenic avian influenza in a commercial turkey flock in Dubois County, IN, the first confirmed case in commercial poultry in the US since 2020.
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Cutting ionophore use could do more harm than good, veterinarians warn
SOUND SCIENCE: Removal or reduction of ionophores for the control of coccidiosis in poultry could lead to increased antibiotic use, higher production costs and negative impacts on climate-change...
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What does it take to be a successful poultry grower? Experts share their views
Successful contract poultry farmers are hard workers, detail oriented and must literally serve as the gatekeepers of biosecurity, several experts and industry insiders say.
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Sharing data can help manage layer-farm disease and increase production
Sharing and analyzing data at farm level and beyond can offer new insights that improve bird health and profitability on layer farms.
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Early infectious bronchitis virus infection causes more severe false layer syndrome
Exposure to IBV has been linked with cases of false-layer syndrome, where large cysts in the oviduct prevent birds from laying eggs.
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Tackling a botulism outbreak in a breeder flock
Botulism might not be a common occurrence in poultry production, but when it infects a flock, mortalities can be high. That was the situation Sara Throne, DVM, senior director of veterinary services...
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Lowering Salmonella load at processing requires company-wide effort initiated from the top
Lowering the load of Salmonella going into the processing plant requires a company-wide effort initiated from the top, panelists advised at a roundtable on food safety.
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Essential adjustments that improve IB vaccine efficacy in broilers
A few essential adjustments in the way infectious bronchitis vaccines are handled and administered at the hatchery can improve vaccine efficacy.
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Going with the flow: How to maximize the effectiveness of spray vaccination
Attention to detail is vital when it comes to ensuring that spray vaccinations against respiratory diseases such as infectious bronchitis are as effective as they can possibly be, according to...
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Measuring temperature of birds’ faces could help identify heat stress in flocks
Use of thermal imaging cameras to measure facial temperatures may offer a non-invasive option for assessing heat stress in commercial broilers, according to research from the University of Arkansas.
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Targeted adjuvants may improve recombinant ILT vaccination immune response
Vaccination might be effective in controlling ILT in broilers, but recombinant vaccines might not always provide an adequate immune response, according to scientists at North Caroline State...
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Study questioning purity of avian reovirus samples has lab and field implications
Selecting pure avian reovirus (ARV) cultures is extremely important in pathogenicity and antigenicity studies, as well as in the creation of autogenous vaccines. But in reality, many samples don’t...
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Shift to cage-free egg production prompts need to revise health and management plans
Vaccinations and other preventative health measures are more critical than ever as the US egg industry shifts toward cage-free and no-antibiotics-ever production.
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Tips for uncovering toxicity in poultry flocks
Toxicity is a relatively rare affliction for hens, and tracking down the source can prove challenging, as one case study outlined by a poultry diagnostics expert revealed.
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IBDV linked to severe necrotic enteritis in broiler chickens
Broiler chickens exposed to infectious bursal disease virus are likely to develop more severe cases of the bacterial disease, necrotic enteritis, researchers in Canada have found.
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Poulvac® ST cross-protects against different Salmonella serotypes
Salmonella vaccination is a vital part of an integrated approach to reducing the Salmonella load during the broiler life cycle.
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Details matter when it comes to ILT vaccination success
Attention to detail is key to successfully vaccinating broiler flocks against infectious laryngotracheitis (ILT), according to a poultry health expert.
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Early IBV infections in layers can increase cysts associated with false layer syndrome
The timing of infectious bronchitis virus (IBV) challenge in layers can impact the development of cysts associated with false layer syndrome, scientists at the University of Georgia have discovered.
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Direct-fed microbials can impact Salmonella vaccine efficacy
Some direct-fed microbial additives with live cultures have been found to impact the efficacy of modified-live vaccines.
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Feed additive appears to benefit gut integrity in broilers with coccidiosis
The feed additive sodium bisulfate administered to broilers during a coccidial challenge appeared to benefit gut integrity.
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Hatchery tips for successful transition to NAE production
Preventing birds from getting sick is perhaps the biggest challenge encountered when transitioning from conventional to “no antibiotics ever” (NAE) production.
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Periodic IBV PCR testing is key to ensuring vaccination efficacy
Complexes should regularly evaluate the infectious bronchitis viruses (IBV) prevalent on their farms to help determine which vaccines can provide the best protection possible.
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Five critical factors for in ovo vaccination success
In ovo vaccination has proven popular in commercial hatcheries as it can offer early immunity against prevalent pathogens, consistent vaccine delivery and a less labor-intensive process involving...
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Molecular test helps identify pathogenicity in new strains of infectious bursal disease virus
A genetic technique which could help improve predictions about the virulence of infectious bursal disease (IBDV) has identified pathogenicity in seven new strains of the virus which causes an...
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Reaction of poultry company customers to FSIS performance standards varied
Publication of USDA performance standards prompted some poultry company customers to refuse product from processing plants in Category 3, according to participants at a food safety roundtable.
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False layer syndrome in Canada due to DMV/1639
False layer syndrome due to the Delmarva 1639 (DMV/1639) variant of the infectious bronchitis virus (IBV) is leading to huge economic losses in the Canadian egg industry.
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Salmonella control in hatchery, second processing require special attention
Interventions for Salmonella control throughout the production process are essential, but special attention at the hatchery and during second processing at the plant are critical to success,...
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Three keys to successful IBV control
Highly contagious and constantly evolving, infectious bronchitis virus (IBV) is notoriously difficult to control.
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5 ways research aims to tackle poultry-sector challenges
Novel, science-based technologies will allow the poultry industry to get ahead of issues coming towards it.
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Two years of IBV sampling underlines importance of surveillance work
Large-scale collection of samples from producers across the southern US is helping shed new light on infectious bronchitis virus (IBV) in chicken flocks — including uncovering a new serotype of the...
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Study: Larger particles in starter feed lead to better performance
Starter feed of larger particles consumed by young chicks is associated with better performance during the lifetime of broiler birds, according to a study conducted at Mississippi State University.
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Seasonal management in hatchery critical to improving chick viability
Optimizing hatchery conditions throughout the year is crucial to limiting chick mortality and maintaining long-term bird viability, according to a poultry health expert.
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Better management, biosecurity could mean lower Salmonella levels in NAE farms
New research has suggested that Salmonella levels in no-antibiotics-ever (NAE) poultry systems could be lower than those on conventional broiler farms.
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Litter problems persist
By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, MS
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Litter management can help control Salmonella Heidelberg
Ongoing studies to find ways of managing Salmonella Heidelberg loads in poultry litter have suggested that downtime is key to reducing the pathogen’s rates.
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Lessons from the Midwest’s 2015 avian flu outbreak
The 2015 outbreak of highly pathogenic avian influenza (HPAI) in Minnesota was the worst the US has ever seen. What has the poultry industry learned from this and other outbreaks?
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Right skills critical to managing increases in Salmonella, coccidiosis associated with cage-free egg production
Producers making the switch to cage-free egg production need to ensure they are properly prepared for managing potential increases in Salmonella and other health challenges.
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Diagnostics key to effective mycoplasma control
Avian mycoplasmosis is a problem for poultry producers worldwide, but according to an expert, there’s no “one-size-fits-all” approach to managing it.
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Population diagnostics challenging for poultry veterinarians
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
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5 steps to preventing heat stress in layers
By John Brown, DVM, Senior Technical Services Veterinarian Zoetis
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Poultry companies using variety of interventions to improve food safety
Poultry companies are using a variety of interventions to curb Salmonella and improve food safety, even though it’s not always easy to justify the cost of each, panelists said at a food-safety...
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Temperature and air flow critical to broiler performance year-round
By Michael Czarick, Engineering Specialist, University of Georgia Department of Poultry Science
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Management of birds and environment reduce industry’s carbon footprint
Pressure to reduce poultry production’s carbon footprint presents multiple hurdles, but the industry is up to the challenge, said Joseph Giambrone, PhD, professor, Auburn University.
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Tackling stress key to protecting birds from coryza resurgence, says expert
Limiting stress in broiler flocks is key to preventing birds from succumbing to an infectious respiratory disease which is showing a resurgence in some areas of the US, according to a poultry expert.
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Good management and biosecurity vital to overcoming disease challenges in NAE systems
Getting back to basics with bird and house management is key to overcoming coccidiosis and other health issues affecting producers using NAE systems.
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Infectious bronchitis DMV 1639: More questions than answers
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
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Marek’s disease vaccination needed now more than ever
By Guillermo Zavala, DVM, MAM, MSc, PhD, Dipl. ACPV Adjunct Professor, University of Georgia President, Avian Health International, LLC Flowery Branch, Georgia (USA)
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Utilizing on-farm testing key to helping processors understand S. Infantis loads
Using a range of testing methods for Salmonella Infantis can help broiler companies build a better picture of how effective interventions against the pathogen are performing.
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E. coli vaccination in broilers: Is it worth the cost?
According to recent studies, E. coli vaccination may actually help broiler producers boost their bottom lines.
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Calcium toxicity cases underscore value of networking for knowledge
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
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False layer syndrome linked to early infectious bronchitis exposure
Research is increasingly linking false layer syndrome to early exposure to infectious bronchitis virus. The condition prevents laying hens from producing eggs, but birds display few outward signs of...
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Cross-protection vaccine protocols key to limiting DMV/1639 spread in US flocks
Combining serotype vaccines might be a popular approach to protecting flocks against evolving strains of infectious bronchitis virus, such as DMV/1639, but not all combinations work equally well.
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Testing mixed control approaches important in controlling Salmonella in broilers
Commercial broiler farms often employ a multi-faceted approach in tackling Salmonella, but testing different combinations of control options together on a small scale before they are rolled out...
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Pathways to protection: How one vaccine decision can affect options for managing other diseases in broilers
Broiler operations want to provide the best disease protection for the least cost, but deciding which vaccines to use and when can be a daunting task.
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Hatchery details key to maximizing chick performance, expert says
A back-to-basics approach toward managing, handling and storing eggs can help maximize the quality and hatchability of chicks being produced for broiler flocks, according to an industry expert.
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Incubation key to preventing leg problems in turkey poults
Managing heat and humidity in hatcheries is key to reducing costly leg problems in turkey poults.
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Good gut health starts before hatch, expert says
To establish good gut health, measures to promote a healthy microbiome can’t begin soon enough, an expert reports.
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Histopathology helping poultry plants use science to defend carcasses, minimize condemnations
Veterinarians specializing in diagnosing disease in animal tissue are spending more time in processing plants helping minimize costly carcass condemnations while maintaining high food quality...
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Zoetis expands vector vaccine portfolio with introduction of Poulvac® Procerta™ HVT-IBD
Zoetis has expanded its line of recombinant vector vaccines with the launch of Poulvac® Procerta™ HVT-IBD, which provides early protection against the contemporary infectious bursal disease (IBD)...
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Serotype, presentation of IBH differ in large and small birds
More than one serotype has been the cause of inclusion body hepatitis (IBH) in broilers, which has presented differently in large- and small-bird complexes.
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Coccidiosis in conventional flocks presenting a significant challenge
A shift in microbiology could be responsible for a surge in coccidiosis problems being seen in conventional US broiler and pullets flocks, according to Pilgrim's DVM Suzanne Dougherty.
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S. Heidelberg load reduced in chicks treated with acidified water the first 2 weeks of life
DISCOVERIES, Issue 9: Chicks that received acidified water for the first 2 weeks of life had a significantly reduced load of Salmonella Heidelberg, a challenge study demonstrates.
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NCSU: Enterococcus co-infection makes colibacillosis deadlier in poultry
Researchers from North Carolina State University have found that when a particular strain of Enterococcus is found alongside E. coli in cases of avian colibacillosis, there is a higher rate of...
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Consider predominance of AL-2 variants when planning IBDV vaccination program
The AL-2 family of variants is the predominant strain of infectious bursal disease virus (IBDV) circulating among US broiler flocks, according to a recent survey.
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Poulvac® Procerta™ HVT-ND provides advantages of a recombinant plus 19-day onset of immunity
Poulvac®️ Procerta™️ HVT-ND provides producers with all the advantages of a recombinant vectored vaccine while protecting chickens against Newcastle and Marek’s diseases as early as 19 days...
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Glutamine supplement shows promise in reducing necrotic enteritis
Supplementing poultry diets with glutamine could help reduce the severity of necrotic enteritis (NE), according to researchers.
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Studies in 32 million birds show returns on vaccinating broilers for E. coli
DISCOVERIES, Issue 8: In studies conducted in more than 32 million broiler chickens in Italy and the US, vaccination with Poulvac® E. coli yielded a positive return on investment.
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Sleuthing to pinpoint source of commercial flock pathogens
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
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Free booklet recaps highlights of infectious bronchitis roundtable
A colorful 28-page booklet recapping highlights of a roundtable discussion on infectious bronchitis virus is now available. The event featured experts and practitioners who shared their practical...
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Veterinarian: Rethink layer health programs with move to cage-free
The poultry industry’s gradual switch to cage-free egg production has underscored the need to rethink disease-control programs.
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Managing the health challenges of moving to free-range egg production
Free-range egg production will bring major challenges to the way birds are produced, but it will also mean big shifts in the ways bird health and welfare need to be managed.
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Training and management critical for cage-free egg production
Training chicks and pullets so they are prepared for life in cage-free egg systems is critical to ensuring they meet their full productive potential.
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Chick quality vital to no-antibiotics-ever success, consultant says
Focusing on chick quality from the moment eggs enter the incubator is critical to ensuring birds have the best chance of being healthy and productive in no-antibiotics-ever (NAE) systems.
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New avian leukosis rule expected to reduce waste, improve efficiency for processing plants and FSIS
Acceptance of a petition designating avian leukosis lesions on poultry carcasses as a trimmable condition is expected to reduce waste and improve efficiency at processing plants while allowing meat...
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NAE production uncovers water quality challenges
By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, Mississippi
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Intestinal health in the era of NAE
By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, Mississippi
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Tailoring control measures key to managing Salmonella
Producers need to take more care in matching Salmonella vaccines for broiler breeders to the strain of the pathogen challenging their flocks.
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ND is stable in US but poultry industry should be on lookout for evolving strains
Newcastle disease throughout most of the US remains stable, but the industry needs to be on guard for changes in the virus that may require adaption of ND vaccines.
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Surveillance of circulating IBV types essential for disease control
Surveillance aimed at pinpointing the type of infectious bronchitis virus that’s circulating in poultry flocks is essential to control of the disease.
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Study: Live S. Typhimurium vaccine reduces S. Infantis colonization
Investing in vaccination programs to develop cross-protection against some of the most common strains of Salmonella could help limit the number of foodborne outbreaks of the pathogen.
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Mountaire Farms is first company to carry the One Health Certified label
Mountaire Farms is the first animal protein company to carry the One Health Certified label, demonstrating its commitment to animal production standards established by the program.
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Moving animal health to the back burner — if only for a moment
By Larry Rueff, DVM, Swine Vet Services, Greensburg, Indiana
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CDC report urges more vaccination against Salmonella
The CDC has urged more vaccination to control Salmonella in poultry flocks after latest figures revealed illnesses linked to certain strains of the pathogen were stalling or in decline.
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Prepare now for summer heat, humidity
By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, Mississippi
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Nearly 60% of US broilers now raised without antibiotics, but that number may have peaked
Nearly six in 10 US broilers were raised without antibiotics of any type in 2019 — but that number may have peaked.
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Poultry experts cite frustration with infectious bronchitis variants
New, variant strains of infectious bronchitis virus in poultry will continue to emerge, but their control may depend primarily on strategic vaccination protocols that provide cross-protection from...
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Caution: Simple errors can derail IBV vaccine effectiveness
Common pitfalls that can occur while vaccinating broilers against infectious bronchitis virus (IBV) could derail vaccine effectiveness, panelists cautioned during an industry roundtable.
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German researchers: Poultry, pigs not susceptible to COVID-19
Scientists in Germany have confirmed that pigs and chickens are not susceptible to COVID-19.
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DMV/1639 now the focus of many IBV control programs in US flocks
Variants of infectious bronchitis virus affecting broiler flocks differ regionally, but the strain causing the most concern lately appears to be Delmarva/1639.
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Highly pathogenic H7N3 avian influenza confirmed in US commercial turkey flock
A commercial turkey flock in South Carolina has tested positive for highly pathogenic H7N3 avian influenza (HPAI).
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Foster Farms: Community approach key to managing coryza spread in poultry
Tackling endemic poultry diseases as a community rather than as individual producers can play an important role in controlling and limiting their spread.
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Controlling infectious bronchitis in broilers starts with breeder vaccination
Protocols vary widely, but vaccinating broiler breeders against infectious bronchitis virus remains an important strategy for protecting broiler progeny against the virus.
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Good flock management key to managing Mycoplasma synoviae resurgence
Broiler producers need to take a fresh look at housing conditions and bird management to help counter the resurgence of Mycoplasma synoviae linked to an increase in raised without antibiotics (RWA)...
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Measuring effectiveness of on-farm interventions key to Salmonella control
Understanding the impact specific on-farm interventions can have on Salmonella is critical to helping the US poultry industry meet government standards around the disease, according to a leading...
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Prestage Farms veterinarian: Processing chain communication critical to identify health issues early, reduce turkey condemnations
Developing good relationships across the processing chain can be critical in helping to identify and overcome issues on farm and in the processing plant.
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Sanderson vet: Keeping up with variant reovirus strains remains challenging
Poor uniformity, lameness and reduced water consumption are tip-offs that broilers may be infected with variant reovirus.
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Swift communication key to limiting the risk of poultry disease outbreaks
Excellent systems of communication between farm staff and veterinarians are critical when it comes to managing disease outbreaks and reducing their potential spread.
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Failure of maternal antibodies to protect against E. coli infection highlights need for early protection
New studies in broiler chicks show that maternal antibodies to Escherichia coli do not prevent infection.
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JAVMA report: Newcastle reemerges, spreads in California
Virulent Newcastle disease resurged in Southern California as people broke quarantines by moving birds and farming equipment, according to a report by JAVMA.
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Day 4 SPECIAL REPORT: News reports and interviews from IPPE
The 2020 International Production & Processing Expo is under way in Atlanta. Our editors are onsite, covering sessions and capturing interviews for future posts. Here's a look back at our 2019...
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Day 3 SPECIAL REPORT: News reports and interviews from IPPE
The 2020 International Production & Processing Expo is under way in Atlanta. Our editors are onsite, covering sessions and capturing interviews for future posts. Here's a look back at our 2019...
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Day 2 SPECIAL REPORT: News reports and interviews from IPPE
The 2020 International Production & Processing Expo is under way in Atlanta. Our editors are onsite, covering sessions and capturing interviews for future posts. Here's a look back at our 2019...
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More than 35 poultry-health experts at IPPE to be interviewed on camera by Poultry Health Today
More than 35 poultry-health experts and trend watchers will be interviewed on camera over 3 days as part of Poultry Health Today’s news coverage of the 2020 IPPE and IPSF.
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Day 1 SPECIAL REPORT: News reports and interviews from IPPE
The 2020 International Production & Processing Expo is under way in Atlanta. Our editors are onsite, covering sessions and capturing interviews for future posts. Here's a look back at our 2019...
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Zoetis further expands poultry portfolio with vectored vaccine for Newcastle and Marek’s diseases
Zoetis has further expanded its poultry vaccine portfolio with the introduction of Poulvac® Procerta™ HVT-ND, a vectored recombinant vaccine that protects broiler chickens against Newcastle and...
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New USDA process-verified program, meat label to focus on responsible poultry, livestock care
A new USDA process-verified program and meat label is expected help US poultry and livestock producers demonstrate their commitment to responsible antibiotic management.
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‘Causal’ pie chart can help manage necrotic enteritis
Use of a simple “causal” pie chart is proving to be a helpful tool for controlling necrotic enteritis (NE).
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What more can live production do to reduce Salmonella in poultry?
Successful Salmonella control throughout live poultry production requires an integrated effort, attention to detail and careful follow-through to help processing plants meet more stringent USDA...
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One Health Certified label seeks balanced approach to poultry production, marketing
A new label under development for meat and poultry products will represent production that seeks a balanced approach to poultry production and marketing.
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Poultry Health Today launches Zoetis News Center
Poultry Health Today has introduced the Zoetis News Center — a special section of the popular news website that features insights from Zoetis’ poultry health experts, plus updates on...
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Industry needs more poultry scientists to tackle disease challenges
More young people need to be encouraged to take up careers in poultry science if the sector is to properly tackle disease challenges which have plagued it for decades.
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Salmonella’s sex life key to mitigating food safety risks
Food safety challenges linked to Salmonella could be tackled more effectively by better understanding the sex life of bacteria, according to a leading US government veterinarian.
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Virulent ND outbreaks underscore need to rethink vaccination program
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
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Unusual presentation of bacterial septicemia in broilers tied to breeders
An unusual presentation of bacterial septicemia in broilers underscores the importance of obtaining a good history and input from bird caretakers, according to David French, DVM, a staff veterinarian...
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New Poultry Vaccine from Zoetis Helps Build Strong Immune Foundation in Breeder Hens and Their Progeny
Poulvac Maternavac® 4, an inactivated vaccine from Zoetis that helps protect chickens against four important diseases, has been licensed by the U.S. Department of Agriculture and will begin shipping...
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Perdue veterinarian seeks answers to inconsistent foodborne pathogen load
Taking a closer look at why incidence of Salmonella and Campylobacter varied widely on farms in the same production system helped to demonstrate the importance of management and communication with...
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Moisture monitoring critical to improving bird health and welfare
Poultry shed humidity should be monitored as regularly as shed temperature and ventilation to ensure bird health and productivity is as high as it can be.
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Coccidiosis control: Keys to success with a bioshuttle program
Resistance is unlikely to be a problem in coccidiosis bioshuttle programs, Greg Mathis, PhD, Southern Poultry Research, told Poultry Health Today.
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Necrotic enteritis control requires multi-pronged approach in RWA systems
Feeding higher levels of copper and zinc in the diet, managing litter moisture and controlling coccidiosis are keys to stopping necrotic enteritis (NE) in poultry raised without antibiotics (RWA),...
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Avian pathogenic E. coli: Difficult to prevent and control
The bacterium E. coli has re-emerged in broiler operations, which seems to coincide with poultry companies’ switch to ‘no antibiotics ever’ (NAE) programs.
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Sentinel broilers, PCR testing help isolate, identify evolving IBV populations in Arkansas
How do you look for new serotypes of a virus that might be circulating in an area? Sentinel birds are a good place to start, according to Abigail Reith, DVM, a technical services veterinarian for...
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Reductions in medically important antimicrobials reflect industry stewardship
Reductions in the use of medically important antimicrobials demonstrate the poultry industry’s commitment to stewardship of these valuable medications, Randall Singer, DVM, MPVM, PhD, told Poultry...
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Helping contract growers’ transition to no-antibiotics-ever broiler production
Successful transition from conventional to no-antibiotics-ever (NAE) broiler production requires awareness of all the changes needed and lots of advance planning.
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Better air circulation, moderately lower humidity improve paw quality
Increasing air circulation coupled with moderate reductions in humidity can dramatically improve paw quality, Michael Czarick and Connie Mou, University of Georgia, told Poultry Health Today.
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US poultry industry shifting focus to Campylobacter, Salmonella Infantis
The US poultry industry needs to revisit Campylobacter-control strategies in preparation for new performance standards coming from USDA’s Food Safety and Inspection Service, Ashley Peterson,...
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Sprinkler systems benefit animal welfare, reduce water use
Sprinkler systems used in conjunction with cool cells during hot summer weather can not only benefit animal welfare, they can dramatically reduce water use.
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Wet bulb reservoirs can be source of bacterial contamination for hatching eggs
Wet-bulb reservoirs in hatchery incubators should be included in the bacterial-monitoring program to ensure they aren’t the source of egg-shell contamination.
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Vaccinated birds shown to have lower incidence of Salmonella at processing
Broilers vaccinated against Salmonella showed reduced levels of the pathogen at processing in a recent study, according to Charles Hofacre, PhD, president, Southern Poultry Research Group. Inc.
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Coccidiosis vaccination impedes nutrient digestibility
Poultry veterinarians and production managers are all too familiar with coccidiosis and its impact on gut health, nutrient absorption, feed conversion and growth rate.
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What makes a chick tick: Help non-farm audiences understand poultry’s needs
Rather than adopt costly production practices that don’t necessarily benefit the health or welfare of poultry, veterinarians should work to educate non-farm audiences about a bird’s inherent...
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Poultry litter management key to MS control
Litter topped the list of environmental factors most consistently positive for Mycoplasma synoviae (MS), Naola Ferguson, DVM, associate professor at the University of Georgia, told Poultry Health...
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Preharvest reduction of Salmonella, Campylobacter key to better control efforts
By Abhinav Upadhyay, DVM, PhD, postdoctoral associate and Dan J. Donoghue, PhD, professor, University of Arkansas
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Preventive measures are only option for combatting key parasites in turkeys
Turkey producers will need to rely on preventive measures including biosecurity, good gut health and genetic selection to combat three key flagellated protozoan parasites that can affect their...
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Zinc can help combat infectious bronchitis in poultry
Research on infectious bronchitis virus remains a top priority for the poultry industry. Not only is it widespread, but new serotypes also continue to emerge due to mutations and recombination events...
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Water quality: No room for error in NAE flocks
By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, Mississippi
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Report: US poultry producers slash use of medically important antimicrobials while shifting focus to disease prevention
US poultry producers dramatically decreased their use of medically important antimicrobials over a 5-year period ending in 2017, according to a new report released by Randall Singer, DVM, PhD,...
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Ensuring chick quality in NAE production
The increase in 7-day chick mortality that has come along with the elimination of antibiotics requires a focus on containing bacteria that start in the layer house.
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Studies in chickens could lead to blackhead control in turkeys
Broiler breeders are an ideal carrier for Histomonas — the cause of blackhead disease — but unlike turkeys that often die from the infection, broiler breeders survive.
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Live-production management practices that help contain Salmonella
Avoidance of wet litter and well-timed feed withdrawal are two of several management steps that will help control the load of Salmonella going into the processing plant.
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Focal duodenal necrosis in table-egg layers easily overlooked
Focal duodenal necrosis in table-egg layers can be an easily overlooked cause of drops in egg production and egg-case weight loss.
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When vaccinating broilers against Salmonella may be worthwhile
Vaccinating broilers is a big investment and may not be needed on all farms, but it can be a worthwhile move if there are high loads of Salmonella coming into the processing plant.
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Trial shows glutamine aids gut health in broilers raised without antibiotics
With the increase in no-antibiotic-ever production, glutamine may serve as a helpful nutrient asset, particularly when birds are under stress.
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World poultry industry still struggling with necrotic enteritis
NE remains a formidable challenge in broilers raised without antibiotics, and preventing the disease means steering clear of predisposing factors and implementing a rigid coccidiosis-control plan.
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Zoetis Fast Tracking Relaunch of Avian Coryza Vaccine to Aid U.S. Disease Outbreaks
Zoetis has reintroduced the vaccine Poulvac® Coryza ABC IC3 to help U.S. poultry producers combat outbreaks of avian coryza, an acute respiratory infection.
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Maslow’s Pyramid: Self-actualization for chickens?
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
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On the road again? Don’t forget Poultry Health Today podcasts
Most of Poultry Health Today’s video interviews with leading health experts and other opinion leaders can be downloaded as podcasts and listened to on mobile devices or through audio systems of...
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Integrated plan with live production needed to meet new Salmonella standards
Poultry companies struggling to meet higher USDA standards for Salmonella need to increase control efforts in live production to help avoid the dreaded Category 3.
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Pilgrim’s veterinarian shares experiences with NAE production
Preparation, meticulous attention to sanitation and improved communication with hatchery staff and growers are critical for NAE production.
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Four areas of hatchery management to help achieve better biosecurity
Diligent attention to four areas of hatchery management — egg-pack quality, incubation, sanitation and in ovo vaccination — can go a long way.
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A few tools to improve brooding, not antibiotic alternatives, are key to NE prevention
By Reg Smith, Vice President, Operations, Atlantic Poultry, Nova Scotia, Canada, Formerly Chair, British Poultry Council’s Antibiotic Stewardship strategy
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Poultry producers facing higher hurdles with USDA food-safety standards
Poultry producers can expect to jump higher hurdles as USDA continues to raise the bar for food safety.
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Moving up: Vaccinating broilers may help poultry companies improve Salmonella ratings
Vaccinating broilers against Salmonella could be an effective live-side intervention for obtaining higher ratings in the Salmonella categorizations established by the USDA’s FSIS
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Virulent ND in California sending wake-up call to US poultry industry
Outbreaks of virulent Newcastle disease (vND) that have spread from backyard to commercial flocks in California are providing a wake-up call to the entire US poultry industry.
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More than half of US broilers raised without antibiotics in 2018
Broilers raised without antibiotics accounted for 51% of total US production in 2018 — an 11-point jump from the previous year and, more significantly, up from 3% in 2014.
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Bioshuttle program helps control E. tenella outbreaks in pullets
Administration of an in-feed anticoccidial after coccidiosis vaccination has helped alleviate outbreaks of Eimeria tenella in broiler breeder replacement stock.
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Aggressive vaccination of broiler breeders needed to keep reovirus in check
Aggressive vaccination of broiler breeders for reovirus using live and inactivated vaccines has been one of the most important steps the US poultry industry has taken to maintain good protection...
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Life without antibiotics: Field lessons learned the hard way
Producers need to think long and hard before jumping into “no antibiotics ever” (NAE) poultry production.
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Dirty chick boxes can be source of Salmonella at hatcheries
Dirty chick boxes at hatcheries can be a source of Salmonella, but the risk was still lower than expected in a study conducted at one US hatchery.
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AVMA releases first-ever guidelines for depopulation of animals
The AVMA has published its first ever Guidelines for the Depopulation of Animals to help veterinarians support animal welfare in situations where the difficult decision to depopulate has been made.
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Genomic sequencing could aid ILT control efforts in poultry
Molecular virology is already leading to discoveries that will improve management of ILT, according to Stephen Spatz, PhD, molecular virologist with USDA’s Southeast Poultry Research Laboratory,...
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Navigating the maze of alternative products for necrotic enteritis control
The effectiveness of antibiotic alternatives is going to vary among “no antibiotics ever” production systems, and it’s up to the producers to figure out which alternatives will work.
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Urban chicken movement requires legislators to learn chicken basics
Legislators need to know some basics about raising chickens in response to an upsurge in the “urban chicken” trend, Nat Tablante, DVM, told Poultry Health Today.
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Effective biosecurity requires addressing the culture of a company
Effective biosecurity on poultry farms requires developing the kind of culture that motivates everyone in the company to adhere to the procedures that protect flocks from infectious disease.
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Novel technologies needed to combat IB in chickens
Despite decades of vaccination, the world poultry industry’s ongoing battle with infectious bronchitis (IB) continues to rage and points to the need for novel technologies to combat the disease.
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Gizzard changes seen in NAE flocks but diagnosis is murky
Raising broilers without antibiotics appears to be affecting the gizzard in ways that aren’t yet fully appreciated, and it’s not clear if the changes observed are true gizzard erosions, Jessica...
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Biosecurity expert sees more room for improvement on poultry farms
Biosecurity on commercial poultry farms has come a long way but still has far to go, Joseph Giambrone, PhD, professor of poultry science, Auburn University, told Poultry Health Today.
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USDA poultry inspections can help improve live production, processing
By Philip A. Stayer, DVM, MS, ACPV Corporate Veterinarian Sanderson Farms, Inc.
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Sanderson vet shares thoughts on managing elusive reovirus, other gut diseases
Autogenous vaccines used in a reovirus vaccination program need to be updated relatively often to keep up with changes in the pathogen
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Poultry experts identify weak links in live production that can compromise Salmonella control
Improved Salmonella control requires fixing weak links in live production that allow the pathogen to get into a flock, poultry experts advised during an industry roundtable.
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Mycoplasma synoviae demanding more attention as poultry industry grasps its full impact
Emerging, variant strains of Mycoplasma synoviae are causing eggshell apex abnormalities as well as production drops in both layer and breeding flocks worldwide, Anneke Feberwee, DVM, PhD, from GD...
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Lameness in poultry can start in the hatchery
Lameness in poultry is often associated with bird weight, bacterial infections or the condition of the litter, but it actually begins much earlier in the bird’s life — often in the hatchery.
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Early exposure to Clostridium protects birds from necrotic enteritis
Early exposure to Clostridium perfringens in used litter may be a way to minimize the impact of necrotic enteritis (NE) in broilers, Steve Davis, DVM, told Poultry Health Today.
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Management key to preventing green muscle disease in broilers
By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, Mississippi
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Lightening the load: Teamwork between live production, processing key to reducing foodborne pathogens in poultry
While statistics show the US poultry industry has made great strides reducing foodborne pathogens, USDA’s new standards for Salmonella and Campylobacter in chicken parts have made poultry companies...
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Poultry Health Today marks 5th year with more than two dozen video interviews, session coverage at IPPE
Poultry Health Today, the world’s only news website focused on poultry health, is marking its 5th anniversary by covering technical sessions and conducting more than two dozen interviews with...
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SPECIAL REPORT: News reports and interviews from IPSF
The 2019 International Poultry Scientific Forum is under way in Atlanta. Our editors are onsite, covering sessions and capturing interviews for future posts. Here's a look back at our 2018 coverage....
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Necrotic enteritis control helps reduce Salmonella colonization
Maintaining good intestinal health in broilers is essential for minimizing the presence of Salmonella in birds sent for processing, Manuel Da Costa, DVM, PhD, associate director for Outcomes Research...
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New standards for foodborne pathogens expanding control programs to live production
A rise in the prevalence of Salmonella on whole chicken carcasses since USDA changed the testing medium used could indicate the prevalence of the pathogen was previously underestimated.
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Infectious bronchitis control: Understanding why it’s so difficult
By Mark W. Jackwood, PhD, Department Head, JR Glisson Professor of Avian Medicine, University of Georgia
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Sanitation key to successful NAE production
The key to successful “no antibiotics ever” (NAE) broiler production is cleanliness throughout every step of production, including a pristine hatchery.
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Football-crazed Americans to eat more than 1.3 billion wings for Super Bowl
The National Chicken Council projects that football-crazed (and undoubtedly thirsty) Americans will scarf down 1.38 billion wings on Super Bowl Sunday.
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Discrepancies emerge between animal welfare and consumer perceptions
Poultry “raised without antibiotics” now account for more than 50% of the broilers in US production, but those reductions in antibiotics usage have consequences.
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Refined carbs show promise as ‘sentinel’ for Salmonella control
Higher government standards for Salmonella control have put more pressure on poultry companies to reduce incidence on broiler farms and lower the pathogen load going into processing.
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To manage IBDV, ‘let the bird tell you what to do’
Conventional wisdom dictates that infectious bursal disease virus (IBDV) field strains should determine the vaccine strategy. However, a recent study from Brazil indicates the reverse is also true.
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E. coli vaccination helps contain losses in broilers with IB infection
Field experience with infectious bronchitis in broilers during a harsh winter demonstrated that vaccination for secondary Escherichia coli infection helped stem losses
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Commercial poultry vets can help backyard growers, and themselves, by sharing tips on biosecurity
Improved communication between poultry company veterinarians and backyard chicken growers could help improve biosecurity and reduce disease spread for all flocks.
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Coccidiosis control, litter management key to NE prevention in broilers raised without antibiotics
Good coccidiosis control and litter management are the two most important steps producers can take to prevent necrotic enteritis (NE) in flocks raised without antibiotics.
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Heat-stress study shows need to increase ventilation with stocking density
As bird density increases, broiler producers need to be “more aggressive” with house ventilation to prevent heat stress in flocks, Brian Fairchild, PhD, professor, and Ming Lin Teo, graduate...
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Chicks may hold clues to lameness in older birds
Lameness in some poultry flocks has researchers searching for the cause, Suzanne Dougherty, DVM, a consulting poultry veterinarian based in Alabama, told Poultry Health Today.
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It takes two: Coccidiosis vaccines effective against E. tenella after adequate cycling
Coccidiosis vaccination was effective in broilers challenged with Eimeria tenella but only after vaccinal oocysts cycled twice, Laura Tensa, DVM, told Poultry Health Today.
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Hurricane Florence and the poultry industry: Coping with the aftermath
By Philip A. Stayer, DVM, MS, ACPV Corporate Veterinarian Sanderson Farms, Inc.
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Can water treatments help reduce Salmonella levels before processing?
Feed withdrawal before moving broilers to the processing plant appears to increase their susceptibility to Salmonella, indicates research from the University of Georgia.
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Is genetics the key for lasting IBV immunity?
Manipulating the immune response may be one way infectious bronchitis virus (IBV) is controlled in the future, predict researchers studying genetic lines of poultry.
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IBV vaccination protects broilers despite ammonia exposure
A recent study corroborates previous findings that broilers properly vaccinated for infectious bronchitis virus (IBV) are protected from IBV challenge despite exposure to moderate levels of ammonia.
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Heat stress may impair immune system in broilers
Heat stress in broilers induced lesions of lymphoid tissues, indicating immune system impairment, but it’s not yet known if heat stress affects the vulnerability or severity of coccidiosis.
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Consistency, follow-up key to controlling IBV
Infectious bronchitis virus (IBV) is a “moving target” and trying to keep ahead of it requires consistency and follow-up, explained Sjaak de Wit, DVM, PhD, of GD Animal Health, the Netherlands.
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Biosecurity, disinfection, downtime keys to better ILT control
Strict biosecurity is the best defense against infectious laryngotracheitis (ILT) in broiler flocks, advises Maricarmen García, PhD, a professor at the University of Georgia.
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Halting in ovo vaccination not a good option for managing hatchery bacteria
Higher 7-day mortality from bacterial infections in the hatchery is no reason to stop in ovo vaccination for Marek’s and other diseases, according to a consulting poultry veterinarian.
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Vaccination protects broilers from IBV despite exposure to moderate ammonia levels
Properly vaccinated commercial broilers are protected from an infectious bronchitis virus (IBV) challenge despite exposure to moderate ammonia levels, according to a study that surprised researchers.
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AAAP issues call for papers for 2019 conference
The American Association of Avian Pathologists (AAAP) is now accepting abstract submissions for its 2019 conference, Aug. 2-6, Washington, DC. The deadline is Dec. 3, 2018.
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Three research-proven ways to maximize Marek’s disease control
By Tarsicio Villalobos, DVM, Zoetis
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Study shows how unchanged boots disrupt biosecurity
Poultry farmers looking for ways to reduce the spread of viruses and bacteria in their facilities need look no further than the boots on their feet.
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Controlling coccidiosis helps prevent histomoniasis in broiler pullets
The incidence of histomoniasis, commonly known as blackhead disease, is increasing in Southeastern US broiler-breeding operations — and young breeders 25 to 30 weeks old seem particularly...
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Blackhead disease causes reduced egg production in layer hens
Blackhead disease can cause an important drop in egg production among commercial layer hens, Christina Sigmon of North Carolina State University, said during the 2018 International Poultry Scientific...
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Specialists share tips for optimizing immunity in ‘no antibiotics ever’ and ‘reduced use’ broiler flocks
Finding ways to optimize immunity and give broilers more “staying power” could be the best strategy for maintaining the health and welfare of broilers, according to disease specialists at a...
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Special Report: Nixing necrotic enteritis in broilers
This week poultry specialists will gather in Denver, Colorado, for the second International Conference on Necrotic Enteritis. In this special report, Poultry Health Today looks at the impact of this...
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Vaccination followed with feed medication gives pullets added protection against coccidiosis
Inadequate coccidiosis protection in pullets can lead to health issues ranging from uneven weight gain to mortality.
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More amino acids, feed aid broiler chicks vaccinated for coccidiosis
Feeding broilers a diet high in amino acids, along with more feed, can minimize the adverse effects on performance that sometimes occur after coccidiosis vaccination.
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Loose stools linked to blackhead disease transmission in turkeys
Enteric inflammation and loose stools can affect the rate that turkeys contract blackhead disease.
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Tyson vet: Act quickly on unexplained poultry mortality
Quick action by breeder managers and veterinarians is credited with the rapid resolution of an avian influenza (AI) outbreak in Tennessee in March of 2017.
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Rennier: NAE programs represented 40% of US broiler feeds in 2017
Chickens raised without antibiotics of any type consumed 40% of the broiler feed produced un the US in 2017, according to Greg Rennier, PhD, president of Rennier Associates Inc.
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USDA, industry groups take issue with WHO’s statement on poultry antibiotics
The USDA’s chief scientist and several scientific and industry organizations took issue with the World Health Organization’s recent news release recommending that poultry and livestock producers...
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Lack of medications, veterinarians hamper turkey industry
The US turkey industry continues to be hampered by a lack of approved efficacious drugs, according to a 2017 survey. Since 2005, four medications have been withdrawn, leaving the industry without any...
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Layer-hen stocking density affects Salmonella shedding
Lower stocking density for laying hens was associated with less fecal shedding of Salmonella Heidelberg in a USDA study.
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Can improper vaccination make IBV worse?
Improper vaccination not only fails to protect flocks from infectious bronchitis virus (IBV), but it can also make the problem worse, a leading poultry health expert says.
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Poultry Health Today lines up video interviews with leading poultry experts at IPPE
More than two dozen poultry-health experts and trend watchers will be interviewed on camera over the next three days as part of Poultry Health Today’s news coverage of the 2018 International...
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More poultry research focusing on antibiotic alternatives
The poultry industry’s focus on alternative approaches to managing gut health should help preserve the efficacy of the few remaining antibiotics it has available, said Donna Carver, DVM, PhD.
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Deadly duo: Study shows link between E. maxima, Clostridium
New research by Callie McQuain, DVM, veterinarian and grad student at the University of Georgia, substantiates anecdotal field experience indicating that Eimeria maxima is the type of coccidia that...
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Avian influenza viruses can persist in footbaths and manure
Growers shouldn’t assume the disinfectants they use in footbaths are effective against avian influenza (AI), indicates a study from the University of California–Davis.
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44 million ‘respectable’ birds on the menu this Thanksgiving
If one of America’s founding fathers, Benjamin Franklin, had his way in the late 1700s, the turkey would have been the US national bird instead of the bald eagle — a majestic but imposing raptor...
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Salmonella on carcass skin can contaminate ground turkey
Salmonella on the skin, rather than in infected muscle tissue, may be a significant contributor to ground-turkey contamination, indicates a study presented at the 2017 annual meeting of the American...
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E. maxima linked to mortality in broilers vaccinated for coccidiosis
Eimeria maxima in broilers vaccinated against coccidiosis appears to be an important cause of mortality, according to the preliminary results of a study presented at the 2017 annual meeting of the...
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Understanding the clinical picture key to effective IB control
Avian infectious bronchitis virus (IBV) is a highly contagious coronavirus found in chickens worldwide that costs the US poultry industry millions of dollars annually.
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New flock-management trends call for new E. coli-management strategies, vets say
Two poultry veterinarians say that prevention of Escherichia coli infection is key as management trends toward free-range housing and reduced antibiotic use.
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Proper windrowing can minimize disease, benefit environmental management
By George W. Malone, MS Malone Poultry Consulting Princess Anne, Maryland
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Successful ABF production: Mastered technique or corporate culture?
Indiana's Miller Poultry's owner and president Galen Miller and production manager Stephen Shepard discuss their experiences, priorities, management style and business philosophy that led to 30%...
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Hofacre: There’s always room for improvement with Salmonella
Most US poultry companies are doing an “outstanding job” controlling Salmonella, but there's always room for improvement.
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US flocks have room to improve in avian flu protection
The US poultry sector can still do more to protect flocks from avian influenza, despite making significant efforts to improve biosecurity since the last major outbreak of the disease.
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Coccidiosis, necrotic enteritis challenge cage-free layer systems
Cage-free housing for egg layers allows birds to exhibit more natural behaviors, but it also carries an increased risk for morbidity and mortality...
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Compartmentalization key to global avian flu control
Standardizing biosecurity measures across the poultry sector is key to protecting birds from avian influenza and ensuring outbreaks do not decimate trade, according to a poultry health expert.
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Sanderson Farms targets ‘marketing gimmicks’ about antibiotics
A new ad campaign released by Sanderson Farms Inc. seeks to debunk myths surrounding the use of antibiotics in US poultry production while exposing what it calls “marketing gimmicks designed to...
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Reducing food-borne bacterial infections must be team effort
Increased pressure to reduce bacterial food-borne infections in consumers is affecting poultry production from start to finish, panelists reported at a food safety roundtable, “Lightening the Load:...
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Poultry veterinarian named to AVMA Future Leaders program
Tak Niino, VMD, a senior poultry technical services representative for Zoetis, was one of 10 veterinarians in different fields selected to the Future Leaders program of the American Veterinary...
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Striking a balance with ABF poultry production
Back in 2013, less than 5% of the chicken produced in the US was raised without antibiotics. That number could reach 25% to 30% within 5 years. How is the poultry industry adjusting?
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Lapses in biosecurity: Veterinarian urges poultry companies to avoid these mistakes
Biosecurity needs to be approached as a comprehensive process, not as a series of segregated actions, according to Jean Sander, DVM, senior technical services veterinarian for Zoetis.
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Air quality affects S. Heidelberg colonization in broilers
Improving air quality in broiler houses may be an important way to reduce colonization of S. Heidelberg, according to the results of a study presented at the 2017 International Poultry Scientific...
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Options for Salmonella control in live poultry production
By Steven C. Ricke, PhD Professor, University of Arkansas Director, Center for Food Safety, Institute of Food Science and Engineering University of Arkansas
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Poultry Health Today unveils new tools for saving content, creating custom reports
Poultry Health Today — the industry’s only news website focused on flock health and welfare — has added new tools that allow registered users to bookmark favorites, save items for later viewing...
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Both organic, conventional processing reduce Campylobacter on carcasses
Both conventional and organic processing methods reduced Campylobacter on broiler carcasses in a recent study by Purdue University. Matthew Bailey, a grad student at the university, discussed the...
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IBDV: Management obstacles and options
By Daral J. Jackwood, PhD Professor, Department of Veterinary Preventive Medicine Food Animal Health Research Program Ohio Agricultural Research and Development Center The Ohio State University
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Shortage of medications remains top issue for US turkey industry
A shortage of effective, FDA-approved medications is still the top health issue for the US turkey industry, according to a survey conducted by a turkey veterinarian.
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Antibiotic issues broaden poultry veterinarians’ role
By Philip A. Stayer, DVM, MS, ACPV Corporate Veterinarian Sanderson Farms, Inc.
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‘Old bug’ with new name easily mistaken for E. coli peritonitis
Commercial chicken flocks that appear to have Escherichia coli peritonitis might actually be infected with a re-emerging old pathogen with a new name.
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Better accuracy, hatchability, protection seen in birds vaccinated with dual-needle system
Broiler studies demonstrate that a dual-needle in ovo delivery system yields more accurate vaccine placement, better hatchability and better disease protection compared to a single-needle...
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5 ABF health tips from Miller Poultry
Miller Poultry — an Indiana-based producer with more than 15 years' experience raising broilers without antibiotics — offers tips for ensuring a strong, healthy and efficient bird.
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Avian influenza in the US: High-path, low-path and its link to other poultry diseases
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