Alternatives to antibiotics in organic poultry
Organic poultry production is one of the fastest growing segments of organic agriculture with a 20% average annual increase since the establishment of the...
Cecal coccidiosis in turkeys
Cecal coccidiosis is an important disease that affects the cecal integrity of turkeys and may result in watery feces with flecks of blood. In...
Advantages and disadvantages of Coccidiosis control programs in poultry
Coccidiosis is a protozoan economic disease of poultry, in which around 80% of losses are due to mortality, reduced weight gain, inefficient feed conversion,...
Biosecurity, before the beginning…
Almost all of us, the poultry people, know what biosecurity is about. For the investors, it means spending lots of money to prevent disasters,...
Pathological manifestations of highly pathogenic and predominant Eimeria species in turkeys
Coccidiosis is caused by intra-cellular enteric protozoan parasites of the genus Eimeria. Eimeria is a gastrointestinal parasite with a complex life cycle involving an...
Turkey arthritis reovirus. Diagnostic strategies
Avian reoviruses (ARVs). They are non-enveloped viruses of 70-80 nm size having an icosahedral symmetry. The viral genome has 10 segments of double stranded...
The ABCs of CDT (Clostridial Dermatitis of Turkeys)
Clostridial Dermatitis of Turkeys (CDT), also referred to as Cellulitis, remains a major disease issue across all geographic regions of the US; the annual...
Turkey reoviral arthritis update
Avian reoviruses (ARVs) belong to the genus orthoreovirus in the family Reoviridae. They are nonenveloped, double-stranded RNA viruses that are ubiquitous in domestic poultry...
Backyard poultry flocks Salmonella spp. seroprevalence
As backyard poultry grows as a hobby in the United States there is an increased worry that poultry will become infected with Salmonella spp....
Immune system and nutrition: the balance between immunity and growth in modern broiler crosses
Immune activation is the first stage of the immune response necessary to protect the body. It is accompanied by significant metabolic costs and inflammation....
Enumeration of Ascaridia Galli eggs in chicken excreta
Excreta counting techniques in eggs can provide valuable information for assessing flock infection levels, selecting nematode resistant chicken breeds and for determining anthelmintic efficacy.
Although...
When the gut rebels: the challenge of chronic inflammation in laying hens
In the poultry industry, intestinal health is a cornerstone for achieving high production yields, feed efficiency, and disease resistance. One of the issues that...
Engineering vaccines for multiple strains of IBV
In new work funded by a Biotechnology and Biological Sciences Research Council (BBSRC) researchers at The Pirbright Institute and The Roslin Institute have published...
Research examines novel next generation sequencing techniques
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Georgia in Athens, Georgia, in which researchers...
Increasing standardization in real-time PCR diagnostics
How to use it with a modular system and its benefit to laboratory throughput.
The IDEXX RealPCR™ real-time PCR reagents aim to provide a new...
A multidisciplinary research approach on Avian Influenza in Italy
The Avian Influenza epidemic of 2016-2017 had been the largest in Europe in more than 10 years. The circulating virus was a Highly Pathogenic...
Role of dietary calcium in Necrotic Enteritis development and pathogenesis
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at Texas A&M University in College Station, Texas, in which the...
Garlic allicin as a promising alternative to antibiotics in broilers
Introduction
The poultry industry is under increasing pressure to reduce antibiotic use due to antimicrobial resistance and consumer demand for safer products. Garlic (Allium sativum)...
Heat stress causes inhibition of Eimeria replication in broilers
Eimeria infection is one of the most important diseases affecting poultry production, and is characterized by bloody or watery diarrhea, weight loss, poor feed...
Researchers investigate the cause and prevention of False Layer Syndrome
USPOULTRY and the USPOULTRY Foundation announced the completion of a funded research project at the University of Georgia in which researchers investigated the cause and prevention...
Pathogenesis of egg infections by salmonella – Second Part
Early protection has been demonstrated after primary live vaccine administration early post-hatch but this effect is serotype-specific, while cross-protection between some serotypes has been...
Research provides new understanding of ILT vaccines
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Delaware in Newark, Delaware, in which researchers...
Researchers investigate the characteristics of Turkey Hepatitis Reovirus
USPOULTRY and the USPOULTRY Foundation announced the completion of a funded research project at the University of Minnesota in which researchers investigated the characteristics of Turkey...
Gut health, intestinal innate immunity and performance
Gut health is a very important determinant for health and performance in particular in production animals. The intestinal innate immune system is pivotal in...
Better than alternatives to antibiotics
Many poultry flocks require antibiotic treatment, if not every cycle, regularly. Antibiotic alternatives are in great demand, especially in the context of dysbiosis and...
Effect of difference doses of Newcastle disease vaccine immunization on broilers
Influence on growth performance, plasma variables and immune response
As a member of the Paramyxoviridae group, Newcastle disease virus (NDV) is the key causative agent...
Update on Infectious Bronchitis in the United States
Infectious bronchitis infections continued to increase this year in the Ontario broiler, broiler breeder and layer sectors.
Infectious bronchitis virus (IBV) can be spread by...
Evaluation of factors that affect susceptibility and control of reovirus-induced viral arthritis in broiler...
The USPOULTRY Foundation announces the completion of a funded research project at AviServe LLC in Newark, Del. (USA), that has revealed a new tool for...
Histopathological evaluation of Histomonas meleagridis on ceca and the bursa of Fabricius in turkeys
Histomoniasis is caused by Histomonas meleagridis, a flagellated protozoan parasite. It causes systemic infection in turkeys and induces characteristic lesions in ceca and liver....
Mass water vaccination in poultry sheds: accurate dose for every bird, every line
Even if many people use the same methods or knowledge for water vaccination in cage or aviary systems as they do for broiler or...
Antibiotic-resistance: the contribution of the viruses in GIT microbiome
The GIT, or rather the gastro intestinal tract, is the organ of the all organism mostly colonized by the microbial population: it hosts more...
UK Veterinary Vaccinology Network
Veterinary researchers from around the world came together at this year’s joint UK & International Veterinary Vaccinology Network Conference on the 9-10 January 2019...
Incorporating an essential oil and saponin blend as part of an effective coccidiosis management...
Coccidiosis continues to be a top challenge in the poultry industry and growing evidence of reduced sensitivity to traditional anticoccidials like ionophores and chemicals...
Novel Approach Improves Poultry Welfare by Reducing Stress on Chickens
MSD Animal Health (known as Merck Animal Health within the United States and Canada) recently announced the launch of EXZOLT® (fluralaner), the first systemic...
A new poultry research center at the University of Bristol
A state-of-the art poultry research centre offering specialist, industry-focused research into both laying hen and broiler health, welfare, behavior and productivity has recently been...
Case report: histomoniasis in broiler breeder pullets
Histomoniasis, commonly known as blackhead disease, is caused by an anerobic protozoan parasite, Histomonas meleagridis. Histomoniasis affects all gallinaceous birds and turkeys are the...
Use of injection syringes in the animal production industry
Animal health is an important factor to consider, as any disease outbreak can potentially have drastic economical consequences. For this reason, planning and preparing...
Sample management and handling for diagnostic testing
Diagnostic testing is an important and widely used tool in commercial poultry husbandry. A key to best use of diagnostic testing, is to begin...
Comparison of four injection sites for Se bacterin vaccine in commercial pullets
As commercial pullets farming transitions from rearing a bird on a single level in conventional-style housing to rearing a bird in a multi-level aviary,...
Researchers characterize selected variant Avian Reovirus strains
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of California, Davis, in which researchers looked to...
Analysis of anti-Ascaridia galli antibody levels in egg yolk to detect parasite infection in...
In recent years, in response to consumer concerns regarding welfare of birds, there has been a move from caged to free-range production systems. This...
Pirbright’s livestock coronavirus research
The Pirbright Institute is aware that misinformation regarding the Institute and its research is circulating on social media following an outbreak of a new...
The relationship between sperm function and diet – Toms are what they eat
It is well known that cryopreserved semen could be used to regenerate commercial or research poultry lines; however, fertility rates from poultry semen frozen...
Management of drinking water and vaccination procedures: a strategic pairing for effective immunization
Vaccination via drinking water is one of the cornerstones of modern poultry production and accounts for the majority of immunization procedures carried out during...
Feeding the commercial turkey
Choosing the most effective feeding programme has never been more important given the unpredictability of the raw material market and lack of consistent supply...
Macroscopic lesion scoring correlates with gut morphology changes in a newly developed dysbacteriosis model
Conventional broilers often experience intestinal problems between 20 and 30 days of age, caused by a microbial imbalance in the gut, which is referred...
A synergistic herbal alternative combination: curcumshield vs poultry infections – a broad-spectrum study
Introduction
In the case of bacterial infections, various categories of antibiotics – especially synthetic ones – are widely used as broad-spectrum bacteriostatic and bactericidal agents....
Microbiota studies in poultry
The microbial populations that inhabit the gastrointestinal tract (GIT) of birds play an important role in the establishment and maintenance of a healthy gut....
Animal feed probiotics market expands as antibiotic-free nutrition gains momentum
The global animal feed probiotics market is undergoing a significant transformation as livestock producers increasingly seek sustainable, science-driven alternatives to conventional growth promoters. Valued...
Ability to detect Salmonella vs. Salmonella-Free in poultry processing
Poultry are sampled often for Salmonella during growout on the farm and throughout the processing plant. While on farm sampling is not currently a...
Collaborative regulatory approach can reduce antibiotic use in animal production
As global concern about the human health threat posed by antimicrobial resistance continues rises, governments continue to introduce legislation to curb antibiotic use in...
Female persistency post-peak. Managing fertility and production
INTRODUCTION
Managing breeding stock fertility and egg production is critical to achieving good breeder production and welfare. However, maintaining persistent egg output and hatchability remains...
Non-antibiotic intestinal interventions
As the countdown towards implementation of the FDA’s Guidance for Industry 213 continues, interest in non-antibiotic intestinal interventions has increased. Earliest efforts in this...
Characterizing litter mite communities. Applications of DNA barcoding for management strategies
The use of DNA barcoding can facilitate rapid biodiversity assessments of fastidious taxa - litter mite communities - by delineating species using molecular operational...
Blackhead disease: development of molecular tests and an in vitro assay to identify reservoirs...
This research project developed diagnostic assays needed for advancing the understanding of blackhead disease. The article shows clearly how the disease most likely spreads...
Salmonella, creating the most undesirable environment
Background
Salmonella non-typhoidal is among the top foodborne bacteria that cause illness within the United States annually.With 1.4 million illness (11% of foodborne bacteria), 19,336...
Key global health issues in cage-free and organic laying hens
In USA and Europe there has been a growth in cage-free, free range, and organic production over the last 10 years.
The percentage of all...
New predictive models for an integrated approach to combating avian influenza
Avian influenza is now recognized as both widespread and costly, with serious implications for animal and human health. Tackling it effectively requires targeted strategies...
Pathogenesis of egg infections by Salmonella – First Part
Salmonella is an invasive bacterial genus and colonizes the gut of chickens, and systemically spreads to internal organs, including the reproductive tract, potentially leading...
Enhancing biosecurity using flow analysis and Danish entry concepts
The term Danish entry is commonly used to describe entryways to livestock buildings that help people enter barns in a relatively bio secure way...
Biological control of Salmonella in the poultry industry: a European perspective
Salmonella remains one of the most important foodborne bacterial pathogens worldwide, and is frequently linked with the consumption of contaminated poultry meat and eggs....
Future of Blackhead Disease in poultry
A turkey health survey of US veterinarians in turkey production ranked blackhead position #13 (#11 prior year) compared to #22 in 2006; the survey...
Profiling Salmonella serotypes through broiler processing
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Georgia in which researchers profiled Salmonella serotypes through broiler processing.
The...
Use of multiple strains of infectious bronchitis vaccines to induce protection against new IB...
USPOULTRY (www.uspoultry.org.) and the USPOULTRY Foundation announced the completion of a funded research project at the University of Delaware in Newark, Del., in which researchers found...
The challenges and future of poultry diagnostics
A review of the past helps to frame the future of poultry diagnostics. In the United States, the Land-Grant universities provided a fertile environment...
Influenza antibodies made by Pirbright reduce disease in chickens
Scientists at The Pirbright Institute have engineered synthetic antibody
molecules that can be administered to poultry to reduce the symptoms of Influenza, as well as...
Infectious bronchitis virus shuts down cell stress signals
A new study from scientists at The Pirbright Institute and collaborators at the University of Surrey provides evidence that infectious bronchitis virus (IBV) can regulate the...
Biosecurity measures and new vaccines to combat the spread of bird flu
The recent H5N6 bird flu outbreak is confined to the south of England, partly due to the introduction of an Avian Influenza Protection Zone...
Managing CO2 and fresh air to optimise hatchability
Last year I was invited to a layer hatchery that was reporting slightly lower hatchability than its sister hatcheries, despite using eggs from the...
Use of comparative genomics to identify vaccine candidates for Campylobacter Jejuni
Interventions to control and reduce the incidence of Campylobacter jejuni colonization in poultry is important in order to reduce the burden of foodborne illness in humans....
Rapid in vitro antimicrobial screening assay against Campylobacter
Research was undertaken to adapt a multi-well antimicrobial assay as a fast and reliable method to screen large numbers of plant extract treatments against...
Clinical coccidiosis in broilers with concurrent infection of Eimeria maxima and Eimeria praecox
Coccidiosis is a complex disease in chickens caused by protozoan parasites in the genus Eimeria. As Eimeria species are ubiquitous in poultry facilities, coccidiosis...
Field vaccination against ILT in broiler chickens: lack of consistency
When vaccination against infectious laryngotracheitis (ILT) is necessary in broiler flocks, mass administration techniques are required due to the sheer numbers of birds involved....
Pirbright’s new Avian Influenza vaccine
An improved poultry influenza vaccine has been developed by researchers from The Pirbright Institute. The potential vaccine triggers a rapid immune response which protects...
Overview of worm infestations in chickens: integrated control, preventive strategies, and novel diagnostic tools
The transition toward alternative and free-range housing systems has led to a renewed increase in helminth infection pressure in poultry production. Intestinal worms not...
Concurrent infection of Histomonas meleagridis and Eimeria meleagridis in a turkey flock
Blackhead disease (histomoniasis) in turkeys is one of the protozoan diseases sporadically documented in commercial turkey production facilities. Histomoniasis may induce mild, moderate, or...
Coccidiosis control in broiler breeders with the use of vaccines by Aviagen®
Coccidiosis is a disease of the intestinal lining, produced by the invasion of the mucosal cells by a very prolific protozoan parasite of the...
Study suggests H5N1 D1.1 circulated before its first detection in North America
By the time the H5N1 D1.1 genotype was first detected in the Pacific Flyway during the autumn of 2024, it had probably already been...
Holistic view of intestinal health in poultry
Intestinal health is necessary to maintain efficient and sustainable gastrointestinal tract (GIT) physiology. The GIT has digestive, absorptive, metabolic, immunological and endocrinological functions.
This means...
Research Rules Out Possible Kinky Back Prevention
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at North Carolina State University in Raleigh, N.C., in which researchers...