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Category Archive: Expert Advice, Food Safety, Global TOPICS, News, PHT GLOBAL, PHT US, TOPICS

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

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

... 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.

... 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.

... 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.

... 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...

... Replication, coverage vary among MD vaccination programs for long-lived birds

DISCOVERIES: Marek’s disease (MD) vaccination programs for breeders and layers can vary significantly in the replication and coverage they provide, a finding that should be considered when planning...

... 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.

... ‘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...

... 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.

... 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.

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

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

... 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...

... 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.

... 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.

... 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.

... 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.

... 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...

... 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.

... Ionophore status change would threaten bird health, sustainability, veterinarian warns

There is no need to recategorize ionophores, used as feed additives against coccidiosis, as veterinary medicines, says UK poultry veterinarian Daniel Parker — and doing so could have severe...

... 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...

... 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.

... 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.

... 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.

... 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?

... 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.

... 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.

... 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...

... QX, 793b found to be most prevalent IBV field strains in Europe

DISCOVERIES, Issue 11: Two recent studies assessed the prevalence of various IBV strains in Europe in recent years, with QX and 793b proving the most common causes of virulent disease in chickens.

... 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

... 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...

... Researchers decode clues to Salmonella Infantis control

New research from Austria provides key regional insights into Salmonella Infantis, a foodborne pathogen that is closely linked with broiler farms and often resistant to antibiotics.

... 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.

... 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.

... 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

... 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.

... 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.

... 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 ...

... 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.

... 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.

... 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

... 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.

... 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)...

... 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.

... 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.

... 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...

... 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.

... 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...

... 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.

... 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.

... 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.

... 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,...

... Focus on these 4 areas to ensure broiler chick success

Faultless management in the first few days of a chick’s life is critical to ensuring birds remain healthy and productive for the rest of the crop.

... 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.

... 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.

... 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

... 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.

... 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.

... Hatchery hygiene helps limit broiler E. coli mortality risk

Disinfecting eggs and improving overall hygiene in the hatchery could dramatically reduce the risk of mortality linked to E. coli infections, scientists say.

... 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.

... 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,...

... 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.

... 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.

... 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.

... 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.

... 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...

... 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.

... USDA poultry inspections can help improve live production, processing

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

... 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...

... 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

... Vaccination of broilers ‘quick and easy’ way to get Salmonella under control

Vaccination of broilers against Salmonella may be the best and most expedient option for producers struggling to meet USDA performance standards at the processing plant, said Chuck Hofacre, DVM, PhD,...

... 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.

... 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.

... Selection of IBV GA 08 vaccine, proper administration can minimize reactions

TOOLBOX, Issue 10: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis

... Hurricane Florence and the poultry industry: Coping with the aftermath

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

... 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.

... 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.

... Fresh approach to coccidiosis needed to tackle increase in broiler gut damage

Changes in the behavior of one of the most important coccidial pathogens means poultry producers should take a fresh look at how they deal with the parasite.

... Lack of approved medications continues to stymie welfare-minded turkey producers

Another year, another survey and more long faces on US turkey producers frustrated by the lack of approved, efficacious medications — a problem they rated as the top health issue threatening...

... 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.

... 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.

... 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.

... 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.

... Proper water pressure, volume essential to good flock performance

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

... 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.

... Modified-live vaccination reduced salmonellosis in Brazilian study

New research confirms that modified-live vaccines (MLVs) can effectively reduce salmonellosis in broilers — a leading cause of food poisoning in humans.

... SPECIAL REPORT – IBV: Managing a moving target

Infectious bronchitis virus, or IBV, is a year-round threat to poultry flocks, but it's especially challenge in the cooler months when producers reduce ventilation to save on energy costs.

... 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...

... Putting paper under chick’s drinkers: Is it really helpful?

Placing paper under water lines increases water consumption by baby chicks, but only for the first 3 or 4 hours after house placement, research indicates.

... Let there be light: Early exposure to UV aids broiler behavior, performance

Adding windows to poultry houses is an inexpensive way to improve the environment for broilers and possibly improve productivity, according to Rachel Lynn Dennis, PhD, assistant professor at the...

... Footpad dermatitis a greater concern in chickens grown to older ages

Footpad dermatitis is more likely to be a problem among broilers grown to an older age, but it can be remedied if producers intervene in time, Tom Tabler, PhD, professor with Mississippi State...

... Natural disease resistance could be bred into chickens, scientists say

Selecting birds that are naturally more resistant to disease could help the poultry industry reduce antibiotics use in the future, say researchers.

... 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...

... 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.

... Gene technology has potential to multiply vaccine benefits

Scientists in the UK have discovered a way to modify a Marek’s disease vaccination so that it could be potentially be used to protect against a number of significant poultry diseases.

... 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.

... 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...

... Biosecurity: ‘It doesn’t have to be boring’

Even though biosecurity is a critically important subject, many poultry producers tune it out — for the simple reason that it bores them, said Nathaniel Tablante, DVM, a professor and poultry...

... 6 steps to increasing broiler feed intake

Making small management changes on poultry farms and tracking their effects can help increase feed intake and maximize profitability, according to a leading nutritionist.

... Import restrictions enforced after avian flu outbreaks in Africa

Live chicken imports have been restricted in Zambia has part of the government’s efforts to limit the resurgence of a highly pathogenic form of avian influenza (HPAI).

... ‘Inspect what you expect’ applies to poultry vaccination crews

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

... Clostridial dermatitis: Why is it so prevalent in turkeys?

Skin lesions in turkeys open the door to Clostridium infections and clostridial dermatitis, the most important disease in the turkey industry, according to a study by Kakambi Nagaraja, PhD,...

... Commercial and backyard poultry production: Bringing two worlds together for better biosecurity

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

... Site-specific biosecurity key to disease protection

Egg producers are being urged to not adopt a “one size fits all” approach to biosecurity in a bid to keep avian influenza (AI) away from their flocks this winter.

... South African producers ‘unprepared’ for bird flu, expert says

South Africa’s poultry farmers are scrambling to boost biosecurity measures after being “caught out” by an outbreak of avian influenza, according one of the country’s top vets.

... Plan B: Using sentinel birds to track poultry viruses when you can’t obtain SPF birds

Sometimes the best way to identify disease problems is to use sentinel birds along with other diagnostic tools, but the specific-pathogen-free (SPF) birds used for this purpose aren’t always...

... Broiler-house management is key to preventing winter respiratory disease

By Tak Niino, VMD Technical services veterinarian Zoetis Inc.

... Paw quality in broilers: Why it’s important

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

... 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...

... Is incentivized vaccination the answer to poultry’s public-health woes?

Governments and retailers should incentivize broiler producers to make better use of vaccines that could help protect public health, according to an expert in poultry infections.

... Check farm biosecurity now ahead of potential avian flu return, disease expert says

Poultry producers should assess their farm biosecurity in preparation for a return of avian influenza this winter, according to an expert in the spread and control on animal disease.

... Immune-response research could yield new IB strategies for poultry

Research into the immune response of chickens could help lead to strategies that enable chickens to resist infectious bronchitis (IB), Rodrigo Gallardo, DVM, PhD, professor, University of California...

... 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...

... Farmers told to ‘stick to guidelines’ for antibiotics as experts question conventional usage

UK farmers and veterinarians have been told to continue to follow prescription guidelines for treating animals with antibiotics after a group of health experts suggested current guidance needed to be...

... Livestock farming standards to get boost under antimicrobial-resistance plan

The European Commission has unveiled plans to promote better global livestock farming standards in a bid to combat the growing threat of antimicrobial resistance (AMR) in animals and humans.

... Mobile app to help Egyptian poultry farmers control disease

Egyptian poultry producers are set to benefit from a high-tech tool designed to help them identify early signs of avian influenza and other poultry diseases.

... Superbug warning over India’s poultry antibiotics use

The use of antibiotics for growth promotion in Indian poultry production is helping to breed bacteria that are highly resistant to most antibiotics, scientists have warned.

... UK makes significant cuts in poultry antibiotic use

The UK poultry sector has reduced its antibiotic use by more than 70% over four years, according to latest industry figures.

... 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.

... AI vaccination needed in China to prevent global pandemic, scientists say

Vaccination against avian influenza must become a standard procedure in China to avoid the risk of the the disease mutating and becoming a global pandemic, scientists have warned.

... Broiler research reveals campylobacter treatment challenge

The immune response of broilers does not develop fast enough to enable birds to fight off campylobacter present in the gut, scientists say.

... 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:...

... Sanderson Farms vet drawing new battle lines against ILT

Sanderson Farms growers have been asked to stop driving their farm trucks off the farm to help prevent outbreaks of infectious laryngotracheitis (ILT), according to Phil Stayer, DVM, head...

... Change diets to reduce dust and ammonia in cage-free systems

Reducing protein, adding fiber and feeding supplements to poultry can help producers control ammonia levels inside cage-free housing.

... Breeder E. coli vaccination boosts broiler health

Vaccination of broiler breeders against Escherichia coli helps improve the health of their progeny, reports a veterinarian in South Africa.

... China urged to take tougher measures against avian flu

Producers in China need to make greater efforts to prevent and control the spread of the H7N9 influenza virus, according to an animal health expert.

... 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

... Farm transparency key to improving views on intensive poultry production

Opening poultry farms to the public could help improve shoppers’ opinions about intensive poultry production, according to scientists in Germany.

... 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...

... Optimizing diets could limit foot pad dermatitis outbreaks

Managing diets to improve litter quality could help limit incidence of foot pad dermatitis (FPD) in broiler chickens and turkeys, scientists say.

... Experts warn of red mite risk thanks to avian flu

Forced housing of poultry due to avian influenza is likely to lead to a higher risk of red mite infestation in flocks this spring, vets have warned.

... Farm uses lasers to guard hens from avian influenza

Orchard Eggs, based in West Sussex, is using Dutch laser technology to scare off wild migratory birds and prevent them from mixing with the farm’s outdoor flock and protect them from avian flu.

... Vaccination helping to reduce mortality rates from E. coli in France’s layer flocks

Four out of five health problems in layer flocks in France are related to Escherichia coli, according to Jocelyn Marguerie, DVM.

... More collaboration needed to drive housing welfare standards

Greater collaboration between producers, veterinarians, engineers and scientists is needed to design housing systems that offer the highest levels of hen welfare, according to a leading geneticist.

... Could GM technology produce the next generation of poultry vaccines?

Genetic engineering could unlock a new generation of vaccines that have the potential to tackle major poultry diseases more quickly and effectively, scientists say.

... Temperature and humidity key to healthy climate control

Understanding temperature and humidity is key to ensuring climate control systems are as effective as they can be in helping to produce healthy birds.

... Early feeding, housing may affect broiler response to immune challenges

Early feeding after hatch and the housing type can affect the response of broilers to immune challenges later in life, indicates a study from the Netherlands.

... Infectious bronchitis: Containing an ever-changing disease

By Dieter Vancraeynest, DVM, PhD Zoetis

... NCC to food industry and consumers: Go slow on slower-growing chickens

The National Chicken Council is urging food-service and retail industries, non-governmental organizations and consumers to go slow on the slow-growth chicken trend before evaluating its potential...

... Poultry companies need to balance consumer preferences with flock health, welfare and food safety

Suzanne Dougherty, DVM, a consulting poultry veterinarian based in Alabama, talks with Poultry Health Today about the challenges of reducing or even eliminating antibiotics in broiler production...

... Reports of colistin resistance prompting layer producers to rethink E. coli management

By Dieter Vancraeynest, DVM, PhD Zoetis dieter.vancraeynest@zoetis.com

... How the AST improves management of coccidiosis and flock performance

It’s been over a century since coccidial oocysts were first observed in the ceca of a chicken. Since the 1940s, many anticoccidials have been developed to combat these protozoan parasites....

... FDA: Some antibiotics still OK for production purposes

New FDA guidelines that discourage using medically important antibiotics for promoting growth in food animals appear to have been well-received by both producers and most consumer activists. Change...

... Condemnations, mortality shift focus to E. coli vaccination in some broiler flocks

While infectious bronchitis remains a serious threat to broiler health, it often opens the door to the more costly secondary infection, E coli, explained Kalen Cookson, DVM, director of clinical...

... Survey correlates anticoccidial rotation with improved coccidiosis management

A six-country survey in North and South America demonstrates that rotation of in-feed anticoccidials correlates with more effective coccidiosis management in broilers.

... Alternative treatments for necrotic enteritis: Has CQR’s Steve Davis found the ‘silver bullet’?

For years Steve Davis, DVM, of Colorado Quality Research had been looking for what he calls the "silver bullet" for managing NE in broilers without antibiotics.

... EU could face further restrictions on antibiotic use in farm animals

Further restrictions on the use of antibiotics in farm animals may be underway for the EU, a development that could be especially problematic for poultry producers.

... Marketing vs. Medicine: Finding the balance

Growing demand for poultry raised without food-animal antibiotics has put more pressure on veterinarians to find alternative yet dependable disease-control options, according to a panel of nine...

... Newsletter identifies top 5 topics in food and agriculture

GMOs, organic foods, food safety, farm stewardship and antibiotics were the “most highly discussed” food and agriculture topics by the US media and top influencers in the second half of 2015,...

... FDA: Salmonella, antibiotic resistance declining in US poultry meat

Incidence of Salmonella in ground chicken and turkey meat has dropped to its lowest level since the FDA began monitoring the foodborne pathogen, according to a  new report. However, the development...

... Tyson Foods balancing antibiotic use, animal stewardship

Tyson Foods aims to remove all human-used antibiotics from poultry production but will make exceptions for sick poultry when no other treatment would be effective.

... HPAI spread by poor biosecurity

The USDA’s Animal and Plant Health Inspection Service (APHIS) recently released an updated epidemiology report outlining its findings on the spread of the highly pathogenic AI through June 5.

... Wet litter, footpad dermatitis tied to reduced broiler performance

Increased litter moisture not only led to severe footpad dermatitis (FPD) in broilers, it reduced other aspects of animal welfare and negatively affected performance and carcass yield.

... Antibiotic use in the U.S. poultry industry

By C.S. Roney, DVM, MAM Poultry Diagnostic and Research Center University of Georgia, Athens, GA

... Managing ILT: Traditional CEO vaccines still provide ‘best protection’

John Glisson, DVM — professor emeritus at the University of Georgia and well-known respiratory disease specialist — talks about the ups and downs on infectious laryngotracheitis (ILT) in poultry...

... Are ionophores antibiotics? That depends on whom you ask

In the EU — a market often perceived to be less tolerant of antibiotic use in food animals than the US — antibiotics used for growth promotion were banned in 2006. However, certain ionophores,...

... Complex broiler-vaccine decisions require expert advice

Developing a vaccination program targeting optimal performance and return requires more planning and expertise than local “experts” at the farm store can offer.

... Sanderson’s Phil Stayer: ‘Sustainability is really nothing new for poultry’

Maintaining good intestinal health is particularly important for sustainability because the condition of the gut ultimately determines a flock’s growth rate and feed conversion.

... Waste-heat recovery system could save millions annually while improving air quality

A team of researchers and engineers from the University of Missouri has developed a waste-heat recovery system that could lead to significant savings in propane costs for producers heating their...

... Environmental risk analysis helps ensure best results with in ovo vaccination

By Tarsicio Villalobos, DVM Director, Technical Service, Biodevices Zoetis Inc.

... Producing Grade A chicken starts in the broiler house

In order to produce Grade A chicken at the processing plant, poultry producers must place healthy chicks and maintain bird quality throughout the life cycle.

... New app improves cold-weather ventilation for poultry

A new app — appropriately named CHKMINVENT — is designed to give poultry producers an easy-to-use means to calculate minimum ventilation rates in their houses during cold weather conditions.

... Flu panel examines US control efforts, impacts on trade

With well over 200 outbreaks affecting more than 47 million poultry over the last six months, highly pathogenic avian influenza (HPAI) is hitting the US poultry industry hard.

... Isolates implicate humans in rapid spread of HPAI

A recent analysis of the viral isolates from all outbreaks of highly pathogenic avian influenza (HPAI) in North America points to humans and farm equipment as the leading carriers of the disease from...

... Pathogens on farm and in processing related

Salmonella and Campylobacter prevalence and loads on the farm are significantly associated with prevalence and loads of the same pathogens at processing.

... Ammonia concentration versus ventilation rate

Monitoring ammonia levels in poultry houses can help producers to adjust ventilation rates and thus prevent problems.

... What’s left if we lose antibiotics?

Bacterial resistance is developing quickly and many critically important drugs risk becoming obsolete. Disastrous consequences lie in wait therefore unless these drugs are used prudently.

... Coccidiosis expert: Timing and combination of cocci control methods critical

Greg Mathis, PhD, of Southern Poultry Research, Athens, Georgia, talks about the continued challenges managing coccidiosis and offers suggestions for improving management programs targeting the...

... Analysis of antimicrobial data confirms human-animal link

A new study by the European Food Safety Authority (EFSA) shows that there are also important differences in the consumption of antimicrobials in animals and in humans between European countries.

... ‘Location, location, location’ keys to successful in ovo vaccination

By Tarsicio Villalobos, DVM Director, Technical Service Zoetis Inc.

... Sanderson Farms’ Phil Stayer: ‘Mortality is the first measure of wellbeing’

Phil Stayer, DVM, of Sanderson Farms says poultry health, welfare and sustainability should not be compromised for marketing purposes.

... S. Heidelberg colonization reduced with in-feed treatment

Broilers that received bacitracin methylene disalicylate (BMD®) plus a probiotic selected for its ability to survive the feed-pelleting process had a markedly lower prevalence of Salmonella...

... A look at animal wellbeing in the poultry industry

Yvonne Vizzier Thaxton talks about animal wellbeing–the entire system of the animal including general health, behavior, nutrition, disease prevention–and how it contributes to...

... Coccidiosis: Why is it so difficult to manage?

With more than a dozen antimicrobials and a half dozen vaccines available for coccidiosis, why are US poultry producers still having such a difficult time managing this costly disease?

... CDC: Widespread use of antibiotics in hospitals is leading cause of resistance

The most important cause of antibiotic-resistant infections in people can be attributed to widespread antibiotic use in hospitals, according to the Centers for Disease Control and Prevention (CDC).

... Research review: What’s new in poultry housing and equipment?

With animal welfare and the environmental aspects of food animal farming gaining more attention from the public and high feed prices focusing efforts on getting the best performance from poultry,...


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