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• • • •   SPECIAL COVID-19 MESSAGE FROM POULTRY HEALTH TODAY   • • • •

The editors of Poultry Health Today are acutely aware of the hardships facing the poultry industry as it responds to plant closures, labor shortages and other challenges resulting from the pandemic.

At the same time, we recognize that maintaining flock health and biosecurity are vital to the industry’s long-term security and sustainability. We therefore will continue to report on the latest news and information to help the poultry industry meet this goal. As always, we welcome your comments and editorial suggestions.

Please click here to contact the editor.

Author Archive: Susan Spiegel

... 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.

... Sleuthing to pinpoint source of commercial flock pathogens

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

... 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.

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

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

... 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.

... 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.

... Campylobacter control – Part 1: Still much to learn about Campylobacter

Watch Part 1 of the interview on Campylobacter control at processing.

... Campylobacter control – Part 2: Research on controlling Campylobacter

Watch Part 2 of the interview on Campylobacter control at processing.

... Campylobacter control – Part 3: Practical considerations for controlling Campylobacter

Watch Part 3 of the interview on Campylobacter control at processing.

... 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.

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

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

... Special Report: 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.

... 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.

... 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.

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

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

... 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.

... 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.

... 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.

... 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. 

... 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.

... 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.

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

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

... Vaccination with Poulvac® E. coli yields economic benefits in broilers

DISCOVERIES, Issue 7: Vaccinating broilers against Escherichia coli yielded a favorable return on investment in a recent trial

... 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 ...

... Be prepared to prevent heat stress in layers

By Jean E. Sander, DVM, Senior Technical Services Veterinarian Zoetis

... 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.

... 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

... 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.

... 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.

... 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

... 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...

... 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.

... 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.

... Special report: Helping broiler chickens keep their cool

The scorching days of summer are almost here. In this special report, Poultry Health Today looks at the impact of heat stress and ways to prevent it.In this special report, Poultry Health Today looks...

... 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...

... Coronavirus causing global pandemic not related to those commonly seen in poultry, other food animals

Coronavirus infections are nothing new to the poultry industry, but the common IB viruses in poultry flocks are not associated with the COVID-19 virus at the root of the global pandemic

... 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.

... 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.

... 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.

... 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.

... Decisions, decisions: Which gut health strategies should be used when?

As the poultry industry moves to limit antibiotic use, alternative measures to support gut health are now common practice, but more guidance is needed with respect to which strategies to use under...

... 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.

... 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.

... 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...

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

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

... Three keys to successful IBV control

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

... ‘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).

... 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

... 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...

... Managing anticoccidials: ‘It’s how you use them that’s important’

Coccidiosis takes a toll of around $3 billion on global poultry production each year, making it one of the industry’s most economically significant diseases worldwide.

... 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...

... E. coli vaccination yields bottom-line benefits on South African broiler farms

New research from South Africa shows that vaccinating broilers against Escherichia coli is good not just for birds, but also for bottom lines.

... 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.

... AAAP publishes eighth edition of Avian Disease Manual

The AAAP has released the eighth edition of its venerable Avian Diseases Manual, widely regarded in the poultry industry as the essential guide for diagnosing and managing diseases.

... US poultry vets: Disease control and food safety identified as future research priorities

Surveys carried out by the AAAP found veterinarians working across the broiler, egg and turkey sectors believe food safety should be a high-priority area for future research, alongside vaccine and...

... 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...

... 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

... 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, Senior Technical Service Veterinarian, Zoetis

... 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.

... 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

... 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

... Reducing salmonellosis: Let’s try teaching ‘aseptic technique’ in the home kitchen

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

... 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.

... 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.

... New AAAP Women’s Network opening doors in poultry industry

A new group within the AAAP aims to provide a forum for the growing number of women who are joining the avian veterinary profession.

... 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.

... Cooling chickens with sprinklers has multiple benefits

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

... Four areas of hatchery management to help achieve better biosecurity

Diligent attention to four areas of hatchery management — egg-pack quality, incubation, sanitation and in ovo vaccination — can go a long way.

... 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

... 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

... 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.

... Moving up: Vaccinating broilers may help poultry companies improve Salmonella ratings

Vaccinating broilers against Salmonella could be an effective live-side intervention for obtaining higher ratings in the Salmonella categorizations established by the USDA’s FSIS

... Virulent ND in California sending wake-up call to US poultry industry

Outbreaks of virulent Newcastle disease (vND) that have spread from backyard to commercial flocks in California are providing a wake-up call to the entire US poultry industry.

... 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.

... Bioshuttle program helps control E. tenella outbreaks in pullets

Administration of an in-feed anticoccidial after coccidiosis vaccination has helped alleviate outbreaks of Eimeria tenella in broiler breeder replacement stock.

... Avatec®: What’s driving demand in broilers?

TOOLBOX, Issue 1: An interview with Jon Schaeffer, DVM, PhD, Director of Poultry Veterinary Services, Zoetis

... 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.

... Aggressive vaccination of broiler breeders needed to keep reovirus in check

Aggressive vaccination of broiler breeders for reovirus using live and inactivated vaccines has been one of the most important steps the US poultry industry has taken to maintain good protection...

... 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.

... Dirty chick boxes can be source of Salmonella at hatcheries

Dirty chick boxes at hatcheries can be a source of Salmonella, but the risk was still lower than expected in a study conducted at one US hatchery.

... AVMA releases first-ever guidelines for depopulation of animals

The AVMA has published its first ever Guidelines for the Depopulation of Animals to help veterinarians support animal welfare in situations where the difficult decision to depopulate has been made.

... Advanced diagnostic tests helping identify IBV in Europe

The QX strain of infectious bronchitis virus (IBV) remains the most common variant of IBV in Europe, but the prevalence of the variant 02 strain appears to be on the increase

... 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.

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

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

... 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.

... Sanderson vet shares thoughts on managing elusive reovirus, other gut diseases

Autogenous vaccines used in a reovirus vaccination program need to be updated relatively often to keep up with changes in the pathogen

... Poultry experts identify weak links in live production that can compromise Salmonella control

Improved Salmonella control requires fixing weak links in live production that allow the pathogen to get into a flock, poultry experts advised during an industry roundtable.

... 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...

... Lameness in poultry can start in the hatchery

Lameness in poultry is often associated with bird weight, bacterial infections or the condition of the litter, but it actually begins much earlier in the bird’s life — often in the hatchery.

... Early exposure to Clostridium protects birds from necrotic enteritis

Early exposure to Clostridium perfringens in used litter may be a way to minimize the impact of necrotic enteritis (NE) in broilers, Steve Davis, DVM, told Poultry Health Today.

... 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

... Poultry Health Today marks 5th year with more than two dozen video interviews, session coverage at IPPE

Poultry Health Today, the world’s only news website focused on poultry health, is marking its 5th anniversary by covering technical sessions and conducting more than two dozen interviews with...

... Exploring the connection between hemorrhagic hepatopathy and inactivated vaccines used in broiler breeders

TOOLBOX, Issue 9: An interview with Andy McRee, DVM, Senior Technical Services Veterinarian, Zoetis

... SPECIAL REPORT: News reports and interviews from IPSF

The 2019 International Poultry Scientific Forum is under way in Atlanta. Our editors are onsite, covering sessions and capturing interviews for future posts. Here's a look back at our 2018 coverage....

... Is there a connection between hemorrhagic hepatopathy and inactivated vaccines used in layers and layer breeders?

TOOLBOX, Issue 8: An interview with John Brown, DVM, Senior Technical Services Veterinarian Zoetis

... Necrotic enteritis control helps reduce Salmonella colonization

Maintaining good intestinal health in broilers is essential for minimizing the presence of Salmonella in birds sent for processing, Manuel Da Costa, DVM, PhD, associate director for Outcomes Research...

... New standards for foodborne pathogens expanding control programs to live production

A rise in the prevalence of Salmonella on whole chicken carcasses since USDA changed the testing medium used could indicate the prevalence of the pathogen was previously underestimated.

... Infectious bronchitis control: Understanding why it’s so difficult

By Mark W. Jackwood, PhD, Department Head, JR Glisson Professor of Avian Medicine, University of Georgia

... Sanitation key to successful NAE production

The key to successful “no antibiotics ever” (NAE) broiler production is cleanliness throughout every step of production, including a pristine hatchery.

... ‘Take a holistic approach’ to get the most from Salmonella vaccination

TOOLBOX, Issue 4: An interview with Marco Quiroz, DVM, Zoetis

... Football-crazed Americans to eat more than 1.3 billion wings for Super Bowl

The National Chicken Council projects that football-crazed (and undoubtedly thirsty) Americans will scarf down 1.38 billion wings on Super Bowl Sunday.

... Discrepancies emerge between animal welfare and consumer perceptions

Poultry “raised without antibiotics” now account for more than 50% of the broilers in US production, but those reductions in antibiotics usage have consequences.

... BMD®: What’s its future in poultry?

TOOLBOX, Issue 2: An interview with Don Waldrip, DVM, senior technical services veterinarian, Zoetis

... 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,...

... Refined carbs show promise as ‘sentinel’ for Salmonella control

Higher government standards for Salmonella control have put more pressure on poultry companies to reduce incidence on broiler farms and lower the pathogen load going into processing. 

... 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.

... E. coli vaccination helps contain losses in broilers with IB infection

Field experience with infectious bronchitis in broilers during a harsh winter demonstrated that vaccination for secondary Escherichia coli infection helped stem losses

... 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.

... Coccidiosis control, litter management key to NE prevention in broilers raised without antibiotics

Good coccidiosis control and litter management are the two most important steps producers can take to prevent necrotic enteritis (NE) in flocks raised without antibiotics.

... Heat-stress study shows need to increase ventilation with stocking density

As bird density increases, broiler producers need to be “more aggressive” with house ventilation to prevent heat stress in flocks, Brian Fairchild, PhD, professor, and Ming Lin Teo, graduate...

... Chicks may hold clues to lameness in older birds

Lameness in some poultry flocks has researchers searching for the cause, Suzanne Dougherty, DVM, a consulting poultry veterinarian based in Alabama, told Poultry Health Today.

... It takes two: Coccidiosis vaccines effective against E. tenella after adequate cycling

Coccidiosis vaccination was effective in broilers challenged with Eimeria tenella but only after vaccinal oocysts cycled twice, Laura Tensa, DVM, told Poultry Health Today.

... New US turkey hatchery shows industry’s focus on automation, biosecurity

Between sinking unemployment rates, the challenge of retaining good labor to conduct repetitive tasks and the increasing need to optimize biosecurity, more and more poultry companies are turning to...

... 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.

... 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.

... When you can’t have more than one: HVT vector or live vaccine for IBDV?

TOOLBOX, Issue 3: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis

... 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...

... IBV vaccination protects broilers despite ammonia exposure

A recent study corroborates previous findings that broilers properly vaccinated for infectious bronchitis virus (IBV) are protected from IBV challenge despite exposure to moderate levels of ammonia.

... Mortality composting the right way: Tips for poultry producers

By Tom Tabler, Ph.D. Extension Professor Mississippi State University Extension Service, Poultry Science Department Mississippi State, MS

... 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.

... Biosecurity, disinfection, downtime keys to better ILT control

Strict biosecurity is the best defense against infectious laryngotracheitis (ILT) in broiler flocks, advises Maricarmen García, PhD, a professor at the University of Georgia.

... Salmonella Infantis can complicate respiratory problems in broilers

Salmonella Infantis can become a persistent problem in broilers and exacerbate mortality when combined with infectious bronchitis, experience indicates at an integrated South American poultry

... Halting in ovo vaccination not a good option for managing hatchery bacteria

Higher 7-day mortality from bacterial infections in the hatchery is no reason to stop in ovo vaccination for Marek’s and other diseases, according to a consulting poultry veterinarian.

... 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.

... Uncertain supplies present challenges for rotation-minded producers

Poultry producers know the importance of developing a long-term strategy for maintaining the efficacy of anticoccidials, but sometimes unexpected backorders of feed medications in high demand force...

... Three research-proven ways to maximize Marek’s disease control

By Tarsicio Villalobos, DVM, Zoetis

... 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: Poultry veterinarians teaming up to reduce condemnations, optimize food safety

Minimizing carcass condemnations and reducing the load of foodborne pathogens moving from broiler farms into processing might seem like separate production objectives — and they are.

... Adapt feeding programs to reduce summer heat stress

Adjusting broiler feeding programs in the summer months can help avoid the health and growth challenges associated with heat stress.

... 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.

... Trace minerals, used litter, coccidiosis control key to managing enteritis in NAE flocks

Starting broiler flocks on used litter, coupled with effective coccidiosis control and the use of trace minerals, can help minimize necrotic enteritis (NE) in broiler flocks raised without...

... 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...

... E. coli becoming more common with rise in ‘no antibiotics ever’ programs

With the removal of antibiotics in the hatchery in “no antibiotics ever” (NAE) programs, the bacterium Escherichia coli is becoming more of a problem at many broiler complexes.

... Marek’s and Salmonella: John Smith, DVM, offers insights on two new broiler-vaccination trends

John Smith, DVM, poultry veterinarian for Alectryon in Baldwin, Georgia, shared ideas with Poultry Health Today on two changes in broiler-vaccination strategies in the US poultry industry.

... Coccidiosis control: New strategies for a new era

Coccidiosis can be controlled in broilers without antibiotics as long as producers pay closer attention to hatchery coccidiosis vaccination procedures, brooding and stocking rates, Greg Mathis, PhD,...

... Early identification needed to protect broilers from reovirus

Reovirus is mutating every 2 to 3 years, which is making it difficult to protect broilers from the effects of the virus, Don Waldrip, DVM, technical service veterinarian for Zoetis, told Poultry...

... 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.

... Blackhead disease causes reduced egg production in layer hens

Blackhead disease can cause an important drop in egg production among commercial layer hens, Christina Sigmon of North Carolina State University, said during the 2018 International Poultry Scientific...

... Research focusing on new controls for coccidiosis, relationship with Salmonella

Alternative products for coccidiosis control remain the focus of research, but so far, the results are inconsistent, Sam Hendrix, DVM, veterinarian and researcher at Colorado Quality Research, told...

... AAAP endorses AVMA’s definition of antimicrobial stewardship

The AAAP has endorsed the AVMA Definition of Antimicrobial Stewardship and accompanying policy document, Core Principles of Antimicrobial Stewardship in Veterinary Medicine.

... 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...

... Global measures to tackling avian influenza

Efficient biosecurity systems are essential to protecting poultry from the risk of avian influenza. However, some countries are better at enforcing biosecurity than others, reports Poultry Digital.

... 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...

... Special Report: Nixing necrotic enteritis in broilers

This week poultry specialists will gather in Denver, Colorado, for the second International Conference on Necrotic Enteritis. In this special report, Poultry Health Today looks at the impact of this...

... Vaccination followed with feed medication gives pullets added protection against coccidiosis

Inadequate coccidiosis protection in pullets can lead to health issues ranging from uneven weight gain to mortality.

... World’s poultry health experts flock to Denver for 61st AAAP conference

Poultry health professionals from more than 25 countries will gather in Denver, Colorado, July 13-17, to get the latest research, innovations and insights on disease management, biosecurity,...

... Special Report: What’s the future of ionophores in poultry?

In this special report, Poultry Health Today looks at the role of ionophores in managing a ubiquitous disease that costs the world's poultry industry more than $2.4 billion a year.

... Is MS the next ‘big, bad Mycoplasma’ for US poultry?

The US poultry industry is reporting more problems with virulent Mycoplasma synoviae according to Naola Ferguson, DVM

... 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.

... PROHEALTH to Present Sustainable Solutions for Broiler Health at VIV Europe 2018

Smart ideas for sustainable poultry disease management will be featured in a special PROHEALTH workshop at VIV Europe 2018, to be held June 20-22 in Utrecht, Netherlands.

... Team effort by human, animal sectors needed to ensure responsible antibiotic use worldwide

While the poultry and livestock sectors have drawn the ire of consumer and medical groups for the growth of antimicrobial resistance, it is wrong to “partition blame,” Randy Singer, DVM, PhD,...

... Vaccinating broilers against Salmonella can help reduce pathogen’s prevalence at processing

Vaccination of broilers against Salmonella can help poultry producers reduce the pathogen’s prevalence at processing and may also benefit bird performance, Kalen Cookson, DVM, director of clinical...

... Loose stools linked to blackhead disease transmission in turkeys

Enteric inflammation and loose stools can affect the rate that turkeys contract blackhead disease.

... 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.

... On-farm Salmonella control helps prevent processing plant contamination

Contaminated chicken feathers and feet may be the primary vectors for transmitting Salmonella from poultry houses to processing plants, according to Martha Pulido, DVM, PhD, Mississippi State...

... Buckling down on biosecurity

For this special report, our editors talked with disease experts about what poultry companies can do to buckle down on biosecurity and protect their flocks from infectious diseases.

... ‘Turkeys are suffering’ without good control of coccidiosis

Turkeys are suffering from coccidiosis due to a lack of available medications, according to Greg Mathis, PhD, Southern Poultry Research, Athens, Georgia.

... 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.

... Rennier: NAE programs represented 40% of US broiler feeds in 2017

Chickens raised without antibiotics of any type consumed 40% of the broiler feed produced un the US in 2017, according to Greg Rennier, PhD, president of Rennier Associates Inc.

... Foregoing CAV breeder vaccination based on ELISA results can backfire

Not vaccinating broiler breeders for chicken anemia virus (CAV) because ELISA results show detectable antibodies could be asking for trouble, says Guillermo Zavala, DVM, PhD, Avian Health...

... C. perfringens on broiler meat can survive processing, potentially sicken consumers

Listen to or download the podcast Most broiler producers know the economic impact of necrotic enteritis caused by Clostridium perfringens, particularly in birds raised without antibiotics.   Now...

... USDA, industry groups take issue with WHO’s statement on poultry antibiotics

The USDA’s chief scientist and several scientific and industry organizations took issue with the World Health Organization’s recent news release recommending that poultry and livestock producers...

... Woody breast continues to baffle researchers

Woody breast is a relatively new disease that adversely affects meat quality during processing, but poultry scientists still don’t understand it’s underlying causes, said Luke Borst, DVM, PhD, a...

... 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...

... Special Report: Managing the two toughest diseases of NAE production

Ask any poultry veterinarian. They will probably tell you that the biggest hurdles to successful 'No Antibiotics Ever' production are coccidiosis and necrotic enteritis.

... Two symposia on poultry enteric disease set stage for 2018 AAAP Conference

Two symposia focused on enteric disease in poultry will be held immediately prior to the 2018 American Association of Avian Pathologists (AAAP) annual conference set for this July in Denver.

... Seven misconceptions about IBD in broilers

Kalen Cookson, DVM, is the director of clinical research, poultry, Zoetis. He explained the common misconceptions about infectious bursal disease (IBD) to Poultry Health Today.

... AAAP plans to take more proactive approach in poultry health, welfare conversations

The American Association of Avian Pathologists (AAAP) plans to increase its public presence and become a trusted source of information for consumers about the science behind poultry health.

... Layer-hen stocking density affects Salmonella shedding

Lower stocking density for laying hens was associated with less fecal shedding of Salmonella Heidelberg in a USDA study.

... No simple answer to laying hen sustainability, scientists say

Enriched cages are the most sustainable layer housing systems in terms of profit, environmental and welfare criteria, experts say.

... 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. 

... Yeast protein could help tackle China’s Avian ‘Flu problem’

A protein found in yeast could help scientists in China tackle avian influenza in poultry flocks.

... Special Report: E. coli more a threat with reduced antibiotic usage

Once an isolated problem in long-lived birds, E. coli has become more prevalent in broiler and turkey flocks as poultry companies reduce or eliminate antibiotics in the the hatchery and in grower...

... Can improper vaccination make IBV worse?

Improper vaccination not only fails to protect flocks from infectious bronchitis virus (IBV), but it can also make the problem worse, a leading poultry health expert says.

... Registration now open for 2018 AAAP Conference

Registration is now open for the American Association of Avian Pathologists’ 61st annual conference which will be held July 13-17, 2018 in Denver, Colorado.

... How mutations, antigenic drift affect IBD management

Farms affected by variant infectious bursal disease (IBD) viruses may find that currently available IBD vaccines aren’t always effective, said Daral Jackwood, PhD, professor in food animal research...

... Why infectious bronchitis is so resilient — and what broiler companies can do about it

Control of infectious bronchitis (IB) requires good biosecurity, good management and rigorous administration of a vaccine that matches the circulating virus as closely as possible, John Smith, DVM,...

... E. coli vaccination reduces antibiotic use in broilers

New studies showed that vaccination against Escherichia coli significantly reduced antibiotic use on commercial broiler farms, particularly in birds at high risk of infection.

... 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,...

... H9N2 could devastate America’s poultry industry

H9N2, a low-pathogenic avian influenza virus common in parts of Asia, the Middle East and North Africa, would be difficult to control if introduced to the US, said David Suarez, a research leader...

... Poultry Health Today lines up video interviews with leading poultry experts at IPPE

More than two dozen poultry-health experts and trend watchers will be interviewed on camera over the next three days as part of Poultry Health Today’s news coverage of the 2018 International...

... More poultry research focusing on antibiotic alternatives

The poultry industry’s focus on alternative approaches to managing gut health should help preserve the efficacy of the few remaining antibiotics it has available, said Donna Carver, DVM, PhD.

... Is feed a vector for avian influenza virus?

Layer feed does not appear to be a likely vector for transmitting the avian influenza (AI) virus, based on research conducted by Yuko Sato, DVM, of Iowa State University.  

... Planning anticoccidial rotation strategies: Consider the consequences

Anticoccidial rotation strategies help reduce the health and economic impact of coccidiosis, while preserving the efficacy of the limited range of tools available for managing it.

... Special Report: Stopping Salmonella

Salmonella is a naturally occurring bacterial pathogen that, if left uncontrolled, can compromise food safety and rattle the foundation of any poultry company. In this special report, Poultry Health...

... Closing in on coccidiosis: How metagenomics can help

Identifying coccidial species by metagenomics can help producers fine-tune their coccidiosis-control programs, said Ryan Snyder, a graduate student in the pathobiology department at the University of...

... 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

... When lysine is too much of a good thing

Lysine hydrochloride is an essential amino acid used in poultry diets to help ensure balanced nutrition and flock performance. But as with anything else, it’s possible for birds to get too much of...

... New colorful reference book from AAAP helps pinpoint avian diseases

The AAAP has published a new reference book, Gross Pathology of Avian Diseases: Text and Atlas, authored by Tahseen Abdul-Aziz, DVM, PhD, and H. John Barnes, DVM, PhD, both of North Carolina State...

... 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.

... Necrotic enteritis and age of litter: What’s the connection in broilers?

Broilers raised on used litter develop better immunity to necrotic enteritis (NE) than birds raised on new litter when challenged early with Clostridium perfringens, Steve Davis, DVM, president of...

... Non-ionophore anticoccidial may help manage necrotic enteritis in RWA flocks

Flocks raised without antibiotics (RWA) that received a non-ionophore anticoccidial after coccidiosis vaccination had fewer necrotic enteritis (NE) lesions, less mortality and better feed conversion...

... Easy mistakes to avoid when managing respiratory disease in poultry

A methodical approach to managing respiratory disease in poultry can help veterinarians avoid misinterpreting data and making mistakes, according to David French, DVM, Sanderson Farms.

... 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...

... 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...

... Avian influenza viruses can persist in footbaths and manure

Growers shouldn’t assume the disinfectants they use in footbaths are effective against avian influenza (AI), indicates a study from the University of California–Davis.

... 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.

... Ruling the roost: Alternative or conventional chicken?

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

... AAAP issues call for papers for 2018 conference in Denver

Abstracts for the 2018 American Association of Avian Pathologists conference, July 13-17, Denver, are now being accepted until Dec. 1, 2017.

...