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...
Vaccination of turkey breeders to control Salmonella
Salmonella continues to be a top food safety concern for the turkey industry, the USDA, and the consumer. Salmonella bacteria are the most frequently...
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...
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....
Reducing antibiotic use without harming profitability is an actual possibility
Ten million people are at risk due to antibiotic resistance, ensures the “Antimicrobial Resistance Review” published by the United Kingdom government in 2014. Of...
New avian flu outbreak detected on a farm in the Urgell region (Catalonia)
The Government of Catalonia has confirmed the detection of a new case of avian influenza on a poultry farm located within the surveillance radius...
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...
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...
First-Ever Report of antimicrobial ase across U.S. broiler chickens and turkeys
Dramatic antimicrobial usage changes and improved antimicrobial stewardship.
The new report shows dramatic reductions of turkey and broiler chicken antimicrobial use over a five-year timeframe....
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...
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...
Infectious Coryza in vaccinated layers: are vaccines failing to protect?
During 2017 and 2018 Infectious Coryza was detected in several commercial vaccinated egg layer flocks in California. The Avibacterium paragallinarum strains isolated from infected...
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...
Water disinfection in poultry farms: a low-cost practice with high impact
Water is often overlooked as a source of disease risk in poultry farming. Yet, when it comes to biosecurity, drinking water is one of...
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...
Clostridial Dermatitis
Clostridial Dermatitis is a disease of economic concern in turkeys. Clostridium perfringens and Clostridium septicum have been isolated consistently from dermatitis lesions in turkeys....
Turkey dermatitis/cellulitis: where are we headed?
Clostridium septicum is a ubiquitous, spore-forming bacterium associated with spontaneous gas gangrene in both livestock and humans. The spores can persist in harsh environments,...
Pulsed ultraviolet light processing of eggs
In recent years, pulsed ultraviolet light has been shown to reduce microbial pathogens on the surface of shell eggs, crucial for maintaining good chick...
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...
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....
Interrupting cholesterol pathway reduces Marek’s disease spread
In a new discovery, scientists from The Pirbright Institute confirm that cholesterol production and transport play a crucial role in how Marek’s disease virus...
How Marek’s disease may directly affect the chicken immune system
Marek’s disease virus (MDV) causes disease in chickens and is estimated to cost the global poultry industry up to US $2 billion each year.
In...
Gut health and Coccidiosis
In poultry, gut health is fundamental and the gastrointestinal tract accounts for twenty percent of the energy expenditure of the whole body. This energy...
Infectious bronchitis virus (IBV) vaccines produced in eggs have unpredictable mutations
Scientists at The Pirbright Institute have shown that infectious bronchitis virus (IBV) vaccines produced in eggs have unpredictable mutations which may be prone to...
Testing day-old poults
When poults are received at a farm from the hatchery they should be good quality poults; namely, free from physical defects, actively looking for...
Prevalence and antimicrobial resistance of thermophylic Campylobacters in poultry
Campylobacter spp. is a leading cause of foodborne diarrhea. The most common source of infection is contaminated food, mainly poultry meat.
The uncontrolled use of...
Linear Epitope Mapping of B-cell responses following immunization with Avian Reovirus S1133
Avian reovirus is a causative agents of tenosynovitis and viral arthritis. Commercially available reovirus vaccines do not protect against challenge with emerging variants associated...
Pulmonary Nocardiosis in turkey poults
Nocardiosis is an opportunistic, noncontagious, pyogranulomatous or suppurative disease of domestic animals, wildlife and people. In domestic animals, it causes mastitis, pneumonia (granulomatous lesions...
On-farm control of campylobacter
Campylobacteriosis, primarily caused by the consumption of contaminated chicken products, accounts for the majority of food poisoning cases in Europe and many other developed...
Should the US rethink its avian influenza policy?
➤ Tom Tabler, Professor and Extension Poultry Specialist, Department of Animal Science, University of Tennessee Institute of Agriculture
➤ Tanner Thornton, Graduate Research Assistant, Department...
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...
Gut health in poultry production: why, what and how
Gut health has become a dominant topic in the global poultry industry. But why did the topic emerge to become so important to the...
The role of feed additives in the protozoal diseases in poultry
Coccidiosis and histomoniasis are economically significant diseases in chickens and turkeys. Management, vaccination and medication are key tools in the control of these diseases...
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...
Host and microbial biomarkers for intestinal health and disease in broilers
New tools can be used to determine the gut health status of animals and to predict animal performance or to make a decision whether...
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...
Frontiers in human and veterinary antibody discovery
The Pirbright Institute hosted the inaugural Comparative Veterinary Immunology Group (CVIG) meeting Frontiers in Human and Veterinary Antibody discovery on 26 and 27 November,...
NWO OTP grant awarded to WUR project aimed at head start for day-old chicks
The immune system of a chicken starts in the egg. Validated tools to assess how incubation conditions influence immune development are lacking. A new...
Holistic view of intestinal health in poultry
The intestinal health of poultry has broad implications for the systemic health of birds, animal welfare, the production efficiency of flocks, food safety, and...
The Salmonella initiative
An enduring challenge and reputational issue for the egg industry is caused by the presence of Salmonella enterica serovars (particularly some Typhimurium serotypes), which...
Salmonella prevention strategies and influences of sampling method selection
Multiple factors can influence both Salmonella prevalence and diversity of Salmonella serogroups detected from both pre and post-harvest samples. Sampling methodologies vary widely when...
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...
Antimicrobial drug resistance in poultry. What do we know about risk factors?
There is an increasing amount of published surveillance and diagnostic submissions data, providing information on prevalence and trends of antimicrobial drug use and antimicrobial...
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...
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...
Understanding resistance to different Infectious Bronchitis virus genotypes
In previous experiments, we have challenged major histocompatibility complex (MHC) congenic chicken lines available at UC Davis with an infectious bronchitis virus (IBV) M41...
Investigation of nutritional diseases at the veterinary diagnostic lab
Here below the role the veterinary diagnostic laboratory can play in helping to confirm nutritional diseases in a flock has been described. Regardless issues...
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...
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...
Targeted preharvest interventions against Salmonella in turkeys
Salmonella is a foodborne zoonotic pathogen prevalent in poultry production, including turkeys. The pathogen is a constant threat to human public health because of...
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...
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...
Microbiological consequences of different housing systems for laying hens, with particular reference to Salmonella...
A significant proportion of human illnesses caused by Salmonella are linked to the consumption of contaminated eggs. In response, substantial government and private industry...
Salmonella Reading in commercial turkeys. Why now and how?
Salmonella sp. is one of the most common bacteria associated with foodborne illness in humans. Each year in the United States, foodborne salmonellosis causes...
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...
Gut health
Gut health and the efficient conversion of feed into its basic components for optimal nutrient absorption is vital for both commercial and turkey breeder...
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...
Bacterin usage
A good vaccination program, along with proper flock management and biosecurity, plays a key role in the health and productivity of broiler breeders. The...
Active and passive Salmonella surveillance systems
Two surveillance systems have been established in France for the monitoring of antimicrobial resistance (AMR) in Salmonella enterica subsp. enterica isolated from the agro-food...
A review of novel biological alternatives to antibiotic therapies in poultry
As poultry producers in Australia continue to limit antibiotic use, increasing numbers of alternative therapies and chemical biosecurity products are being used to overcome...
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...
Research provides Insight on colonization of broilers by Salmonella
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at Auburn University in Auburn, Alabama, in which researchers were able...
Future of coccidiosis management in turkeys
Coccidiosis is a disease that is caused by protozoan parasites that develop within the intestine of most domestic and wild animals and birds. Coccidia...
Isoquinoline alkaloids lower the prevalence of salmonella Heidelberg in broiler chickens
Worldwide, tens of millions human cases are reported every year for salmonellosis. This makes it one of the most common foodborne diseases, which can...
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,...
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,...
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...
Mycoplasma Synoviae, a technical update
Mycoplasma are the smallest free-living organisms both in size and number of genes, and unlike many other bacteria, they do not have a cell...
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....
How to guard your hatchery against biosecurity threats
Biosecurity, by simple definition, is a set of procedures undertaken to limit the spread of infectious pathogens to a susceptible population. It is, however,...
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...
Poultry expertise at IDEXX
In a rapidly evolving poultry production environment with fewer treatment options, disease prevention and identification are more important than ever. Reliable lab diagnostics play...
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...
Development of Multilocus sequence typing (MLST) for Mycoplasma gallisepticum
Mycoplasma gallisepticum (MG) is the most pathogenic avian mycoplasma species. It affects commercial, non-commercial poultry and wild birds. Current MG sequence typing methods rely...
Infectious Bursal Disease antibody levels and viral load in commercial broiler chickens
Infectious bursal disease (IBD) disease is caused by infectious bursal disease virus (IBDV) of the genus Avibirna-viridae and family Birna-viridae. IBDV is found worldwide...
Boosting the cell-mediated immunity in chickens post-hatch via pre-hatch delivery of nucleic acids
Respiratory virus infections such as Avian Influenza, infectious laryngotracheitis and infectious bronchitis lead to high morbidity and mortality in chickens globally.
Given the limitations...
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...
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,...
Maternal derived antibodies have a role on the impact of Original XPC
The objective of this study was to evaluate the role of maternally derived antibodies on the immune-modulatory capacity of XPC on antigen-specific humoral immune...
Optimizing immunization through proper vaccination in turkeys
When we talk about optimizing immunization through proper vaccination in commercial turkeys, we are really talking about optimizing drinking water vaccination when we think...
























































































