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Sponsored by Zoetis

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Category Archive: PHT US, TOPICS, Zoetis News Center

... How in ovo technology has changed the face of poultry health and production

More than 20 billion eggs are injected each year using Embrex® in ovo vaccine technology, a tool that has enabled producers to streamline operations, save costs and provide protection against...

... Managing protozoal diseases in turkeys: There’s a lot we need to learn

Three experts from research, production and industry share their experiences and offer insights for addressing protozoal diseases in turkeys.

... 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.

... 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.

... Management, vaccination keys to Salmonella prevention in cage-free egg layers

By John Brown, DVM, Senior technical services veterinarian, Zoetis

... 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.

... 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...

... 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.

... 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.

... Routine testing for IB vaccine takes can improve performance and profits

TOOLBOX, Issue 36: An interview with Manuel Da Costa, DVM, PhD, Associate Director, Outcomes Research, Zoetis

... 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.

... 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).

... 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...

... 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...

... Pre-harvest controls vital to tackling Salmonella prevalence

Producers must voluntarily adopt pre-harvest interventions to help reduce the prevalence of Salmonella in US poultry products, according to experts. Read about the USDA proposed regulations.

... 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.

... 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.

... 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.

... 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,...

... 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.

... 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

... 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,...

... 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...

... 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.

... 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...

... 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.

... Too few aware of FSIS guidelines about live Salmonella vaccines

By Douglas L. Fulnechek, DVM, Senior Public Health Veterinarian, Zoetis

... Vaccine strategy in cage-free layers requires new mindset

By Daniel Wilson, DVM, Founder and Lead veterinarian, Wilson Veterinary Company, Indianapolis, IN

... 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...

... Home for the holidays? Poultry vet urges ‘aseptic technique’ in the kitchen

By Robert O’Connor, DVM, MAM, Senior vice president, Foster Farms

... Inclusion body hepatitis re-emergence prompts fresh look at control strategies

The US broiler industry is seeing a re-emergence of inclusion body hepatitis, a deadly disease that can strike with little warning. Take a look at our special report.

... 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.

... 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.

... 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.

... 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.

... 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).

... 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.

... 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.

... Focus on the details to ensure ILT vaccination success

TOOLBOX, Issue 35: An interview with Dale Gambrill, Senior account manager, Zoetis

... 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.

... 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.

... 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.

... 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.

... Managing layer health challenges as cage-free demand increases

In a special video from Poultry Health Today, experts from across the industry discuss the challenges facing producers who make the change from conventional systems to cage-free.

... 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...

... 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.

... Anticoccidial sensitivity tests: Useful or not?

By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.

... 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.

... 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.

... 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...

... 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?

... 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.

... 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.

... 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.

... 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.

... 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...

... 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.

... 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. 

... 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.

... 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...

... 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.

... 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...

... 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...

... Cooling chickens with sprinklers has multiple benefits

By Tom Tabler, PhD, Extension Professor, Mississippi State University, Extension Service, Poultry Science Department, Mississippi State, Mississippi

... 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...

... Tuning up live-vaccine priming for infectious bursal disease and reovirus

TOOLBOX, Issue 13: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis

... 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.

... ‘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...

... 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.

... 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.

... 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...

... 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...

... 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 ...

... 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...

... 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,...

... 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.

... 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.

... 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.

... Effective Salmonella control requires involvement of entire production chain

By Douglas L. Fulnechek, DVM, Senior Public Health Veterinarian, Zoetis

... 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.

... 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...

... 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.

... ‘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...

... 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.

... How to avoid performance drops when initiating coccidiosis vaccination

TOOLBOX, Issue 11: An interview with Jon Schaeffer, DVM, Director of Poultry Veterinary Services, Zoetis

... Poulvac Procerta HVT-IBD offers early immunity, greater pullet uniformity in layers

TOOLBOX, Issue 31: An interview with John Brown, DVM, senior technical services veterinarian, Zoetis, on the advantages of using Poulvac Procerta HVT-IBD to protect chicks throughout their lives.

... Special Report: New insights for managing coccidiosis in broilers

Despite industry advances, coccidiosis remains the leading intestinal health disease of broilers. Poultry Health Today asked experts to share latest insights and recommendations for managing this...

... Colibacillosis control in egg-laying chickens: A new tool in our toolbox

By Paul McMullin, MVB, MSc, DPMP, DiplECPVS, FRCVS, Consultant Veterinarian, Poultry Health International

... 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.

... 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...

... Modified-live E. coli vaccine helps control mortality, improves livability in layer production

TOOLBOX, Issue 29: An interview with John Brown, DVM, senior technical services veterinarian, Zoetis, on controlling mortality and improving livability in layers with a modified-live E. coli vaccine

... Getting the best out of bioshuttle programs

By Jon Schaeffer, DVM, PhD, senior director, Technical Services, US Poultry, Zoetis

... 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.

... 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.

... Chance of Salmonella vaccine positives at processing ‘zero’ with Poulvac® ST

TOOLBOX, Issue 33: An interview with Douglas Fulnechek, DVM, senior public health veterinarian, Zoetis, on Poulvac ST, a modified-live vaccine that is designed for there to be a 0% chance of...

... 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.

... 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.

... 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.

... 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).

... 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...

... 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.

... 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.

... Tips for managing inclusion body hepatitis

TOOLBOX, Issue 27: An interview with Daniel Bautista, DVM, senior technical services, Zoetis on managing the recent resurgence of inclusion body hepatitis in broilers.

... Bioshuttle programs valuable tool for managing coccidiosis

Bioshuttle programs are a valuable tool for managing coccidiosis, according to Greg Mathis, PhD, Southern Poultry Research.

... 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.”

... 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.

... Monitoring field strains key to successful vaccination against IBDV

By Daral J. Jackwood, PhD, Professor, The Ohio State University

... Catching problems in layer vaccination — and making them right

TOOLBOX, Issue 28: An interview with Andy McRee, DVM, senior technical services veterinarian, Zoetis on correcting problems in layer vaccination.

... Limiting transmission of parasite currently best option for controlling histomoniasis

By Elle Chadwick, PhD, Consultant, Ag Health Consulting, LLC, LaGrange, Georgia

... 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...

... ‘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.

... 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.

... 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...

... 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.

... E. coli vaccination can lead to higher egg numbers, study suggests

Vaccinating birds against Escherichia coli can have production benefits, as well as protecting birds from the disease, researchers have found.

... As seasons change, hatchery ventilation is key chick-quality concern

TOOLBOX, Issue 26: An interview with Chris Williams, PhD, Director, Technical Services Devices, Zoetis on the impact of hatchery ventilation on chick quality.

... 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.

... AL2 variants now account for more than half of IBDV field isolates in broilers

DISCOVERIES, Issue 10: AL2 variants now account for more than half of the infectious bursal disease virus (IBDV) field isolates in broilers, according to the results of a 5-year survey.

... 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.

... Keeping up with coccidiosis remains challenging

By Philip A. Stayer, DVM, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.

... 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...

... 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.

... 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.

... 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...

... 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.

... 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...

... 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...

... 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.

... 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.

... 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.

... 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.

... 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.

... 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.

... 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.

... Pullet vaccination: There’s always room for improvement

TOOLBOX, Issue 17: An interview with Tim Cummings, DVM, Senior Technical Services Veterinarian, Zoetis

... IBD control in egg layers has unique challenges

By Daral J. Jackwood, PhD, Professor, The Ohio State University

... 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.

... 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.

... 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.

... Free food safety booklet showcases poultry industry ideas for tackling Salmonella

Reducing the prevalence of foodborne Salmonella is essential if poultry companies are to improve food safety and pass muster with USDA’s Food Safety and Inspection Service performance standards.

... 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...

... 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...

... 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.

... 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.

... 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,...

... Three keys to successful IBV control

Highly contagious and constantly evolving, infectious bronchitis virus (IBV) is notoriously difficult to control.

... 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.

... Hatcheries in NAE production systems can’t cut corners on cleaning, husbandry

Hatcheries providing chicks for no antibiotics ever (NAE) production need to be meticulous with cleanliness and good husbandry practices in order for the program to succeed.

... 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...

... Making sense of broiler-feed withdrawal — with the help of a few aphorisms

By Douglas L. Fulnechek, DVM Senior Public Health Veterinarian Zoetis

... 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.

... 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.

... Special Report: Reducing Salmonella, ensuring food safety in poultry production

In a new Special Report, Poultry Health Today taps the industry pulse on the latest efforts to minimize risks in live production and processing, with expert insight on the present and future of...

... 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.

... Litter problems persist

By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, MS

... 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.

... 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?

... 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.

... 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.

... Population diagnostics challenging for poultry veterinarians

By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.

... 5 steps to preventing heat stress in layers

By John Brown, DVM, Senior Technical Services Veterinarian Zoetis

... 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...

... Temperature and air flow critical to broiler performance year-round

By Michael Czarick, Engineering Specialist, University of Georgia Department of Poultry Science

... Control key to protecting flocks from more virulent, resistant E. coli

Research shows many strains of E. coli are capable of causing disease directly. And with antibiotic resistance on the rise, control and prevention are essential. 

... 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.

... 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.

... 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.

... Infectious bronchitis DMV 1639: More questions than answers

By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.

... 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)

... 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.

... 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.

... Calcium toxicity cases underscore value of networking for knowledge

By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.

... 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...

... 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.

... 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...

... 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.

... 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.

... 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.

... New vaccine simplifies IBDV vaccination; provides effective early pullet protection

TOOLBOX, Issue 25: An interview with John Brown, DVM, senior technical services veterinarian and layer specialist, Zoetis on early pullet protection from IBDV.

... 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.

... 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...

... Latest breeder, broiler vaccines provide consistent IBDV immunity

TOOLBOX, Issue 23: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis about Poulvac Maternavac 4 and Poulvac Procerta HVT-IBD.

... SPECIAL REPORT: Don’t let immunosuppressive diseases compromise broiler performance

Immunosuppressive diseases such as IBDV, Marek's and reovirus can compromise a bird's ability to fight off secondary infections. Keeping them in check becomes even more critical as poultry companies...

... SPECIAL REPORT, Day 2: News reports and interviews from IPSF

The 2021 virtual International Poultry Scientific Forum (IPSF) meeting is underway. Our editors are covering sessions and capturing interviews for future posts. Here's a look back at our 2020...

... SPECIAL REPORT, Day 1: News reports and interviews from IPSF

The 2021 virtual International Poultry Scientific Forum (IPSF) meeting is underway. Our editors are covering sessions and capturing interviews for future posts. Here's a look back at our 2020...

... 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)...

... Robust challenge studies demonstrate efficacy of new recombinant vector vaccine for IBDVs

DISCOVERIES, Issue 12: A new recombinant vector vaccine provides early protection against variant, classic and very virulent infectious bursal disease viruses, robust challenge studies demonstrate.

... 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.

... Good gut health can help minimize Salmonella in broilers

TOOLBOX, Issue 14: An interview with Manuel Da Costa, DVM, PhD, Associate Director, Outcomes Research, Zoetis

... 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.

... Z-CAS helping feed mills, producers get the most from medicated feed additives

TOOLBOX, Issue 6: An interview with Marc Howerton, Customer Analytical Services Supervisor, Zoetis

... Now more than ever, vaccination is critical for managing Salmonella in layer flocks

TOOLBOX, Issue 22: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis

... 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.

... 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...

... 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.

... 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...

... 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.

... 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.

... New four-way broiler breeder vaccine builds on success of Maternavac name

TOOLBOX, Issue 20: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis

... Sleuthing to pinpoint source of commercial flock pathogens

By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.

... 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...

... Treatment blend offers ‘exciting potential’ for Campylobacter control at processing

Blending two commonly used antibacterial treatments could help processing facilities take better control of Campylobacter and reduce the risk of food-borne illnesses, according to scientists.

... 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.

... 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.

... 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.

... State-of-the-art recombinant Poulvac® Procerta™ HVT-ND protects against Newcastle and Marek’s diseases

TOOLBOX, Issue 19: An interview with Abigail Reith, DVM, MAM, DACPV, Technical Services Veterinarian, Zoetis

... 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.

... 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...

... NAE production uncovers water quality challenges

By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, Mississippi  

... Intestinal health in the era of NAE

By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, Mississippi

... Check equipment now to help birds withstand summer heat

By Jess Campbell, Jeremiah Davis and Kelly Griggs, National Poultry Technology Center, Auburn University

... Antibiotics and the poultry industry: What’s next?

Nearly 6 in 10 broiler chickens in the US are now raised without antibiotics. Is this all-or-nothing strategy necessarily a good trend? And what precautions need to be taken?

... 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.

... SPECIAL REPORT, Day 3: News reports and interviews from AAAP

Day 3 of the 2020 American Association of Avian Pathologists' virtual conference is under way. Our editors are capturing interviews for future posts. Here's a look back at our 2019 coverage. 

... SPECIAL REPORT, Day 2: News reports and interviews from AAAP

Day 2 of the 2020 American Association of Avian Pathologists' virtual conference is under way. Our editors are capturing interviews for future posts. Here's a look back at our 2019 coverage. 

... SPECIAL REPORT, Day 1: News reports and interviews from AAAP

Day 1 of the 2020 American Association of Avian Pathologists' virtual conference is under way. Our editors are capturing interviews for future posts. Here's a look back at our 2019 coverage. 

... New Poulvac Maternavac® 4 vaccine formulated to address contemporary field challenge

DISCOVERIES, Issue 6: The rapid growth in reduced and “no antibiotics ever” production was the driving force behind development of a new vaccine to protect chickens against four costly diseases.

... Live Salmonella vaccines, some DFMs may not mix

By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.

... 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.

... 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.

... USDA urged to give producers time to trial Campylobacter and Salmonella interventions

Greater flexibility is needed in official Salmonella and Campylobacter testing regimes in order to support poultry producers and processors who are trialing new interventions to tackle both

... Stress is nothing to mess with, folks: 5 steps for connecting with each other in troubled times

By Tom Tabler, PhD Extension Professor Mississippi State University Extension Service, Poultry Science Department Mississippi State, MS

... Poulvac® Procerta™ HVT-ND fully protects against Newcastle disease by 19 days of age

DISCOVERIES, Issue 5: 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 ...

... NAE production: Helping contract growers navigate maze of new challenges

By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department Mississippi State, Mississippi

... 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.

... 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.

... Poultry biosecurity has lessons for coping with COVID-19

By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, Mississippi

... Moving animal health to the back burner — if only for a moment

By Larry Rueff, DVM, Swine Vet Services, Greensburg, Indiana

... 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.

... Prepare now for summer heat, humidity

By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, Mississippi

... 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.

... 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...

... 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.

... German researchers: Poultry, pigs not susceptible to COVID-19

Scientists in Germany have confirmed that pigs and chickens are not susceptible to COVID-19.

... Return of RofenAid® 40 gives turkey industry dependable tool for managing coccidiosis, fowl cholera

TOOLBOX, Issue 21: An interview with David Rives, DVM, Technical Services Veterinarian, Zoetis

... 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.

... 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).

... 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.

... 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.

... 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)...

... 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...

... 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.

... 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.

... 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.

... 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.

... 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.

... 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...

... 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...

... 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...

... 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.

... 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...

... 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...

... 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.

... Hospitals offer inspiration for next-generation poultry biosecurity tools

Researchers in Canada are looking to human hospitals as inspiration for developing next-generation techniques to improve biosecurity on poultry farms.

... ‘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).

... 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...

... Biomarkers helping to identify broilers susceptible to wooden breast syndrome

Broiler producers need answers in the battle against wooden or woody breast syndrome — and they need them quickly. While safe for human consumption, the hard, chewy breast meat from affected birds...

... 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.

... 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...

... 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.

... 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.

... Ensuring strong immunity key to successful ‘no antibiotics ever’ broiler production

Producers raising broilers with no or fewer antibiotics need to pay more attention to diseases that can compromise flock immunity and make birds more susceptible to primary and secondary...

... Virulent ND outbreaks underscore need to rethink vaccination program

By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.

... 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...

... 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...

... 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...

... 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.

... 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.  

... 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),...

... 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.

... 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...

... 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...

... 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.

... ‘Let’s keep it up’: Maintaining the efficacy of Zoamix®

TOOLBOX, Issue 15: An interview with Jon Schaeffer, DVM, PhD, Senior Director, Technical Services, US Poultry, Zoetis

... 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.

... 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,...

... Tips for ensuring best field vaccination results with Poulvac® ST or Poulvac® E. coli

TOOLBOX, Issue 12: An interview with Lloyd Keck, DVM, ACPV, consulting veterinarian, on ensuring the best field vaccination results against Salmonella and E. coli.

... 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.

... 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.

... 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.

... 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.

... 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...

... 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...

... 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

... 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...

... 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...

... 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

... 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,...

... 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.

... 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.

... 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.

... 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.

... 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.

... 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.

... 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.

... 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.

... Maslow’s Pyramid: Self-actualization for chickens?

By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.

... 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...

... 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.

... 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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