Quality Control Audits of killed vaccination
Vaccination programs for breeders and egg layers include procedures with inactivated vaccines. Killed (inactivated) vaccines are used to prevent disease in the vaccinated bird...
World Veterinary Day – celebrating the value of vaccination
The theme of this year’s World Veterinary Day – celebrated April, 27th – was Value of Vaccination. To celebrate it, some of the vaccinology...
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...
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...
Protozoal management in turkeys
The two turkey protozoa that cause significant animal welfare and economic distress include various Eimeria species of coccidia and Histomonas meleagridis. For coccidia, oral...
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...
Protecting poultry from Avian Influenza
The Avian Influenza season is upon us, but how much do you know about Avian Influenza? Do you know how to protect the birds...
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...
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...
Newcastle disease virus evolution and control strategies
Newcastle disease virus is continuously evolving, and molecular techniques allow the classification of vaccine and field strains in numerous genotypes and subgenotypes, although a...
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...
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...
Decoding cecal cores in chickens: from necropsy to diagnosis
Cecal cores are a classical pathological gross lesion seen in field necropsies. Even though a presumptive diagnosis is made based on the visualization of...
The manureshed concept: a solution to poultry litter nutrient recycling?
Surface waters in the United States are regularly assessed as a part of the Clean Water Act to determine whether the water quality protects...
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...
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...
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...
Researchers develop method for making new types of vaccines
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the U.S. National Poultry Research Center, Southeast Poultry Research Laboratory in Athens,...
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...
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...
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...
Major histocompatibility complex and genetic resistance to Infectious Bronchitis Virus
Infectious bronchitis virus (IBV) is an endemic disease of chickens responsible for considerable economic losses to the poultry industry worldwide. IBV replication leads to...
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...
Investigating diseases affecting poultry production
Severe diseases such as highly pathogenic avian influenza and velogenic Newcastle disease are still a concern for poultry producers and government agencies alike. Companies...
Towards practical methods for assessing ILTV vaccine take
In response to ILTV outbreaks, live vaccines are typically administered at 7-14 days of age in drinking water via nipple drinkers which may not...
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...
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...
Integrated Microfluidic Device for rapid Avian Influenza virus capture
Rapid detection of avian influenza virus (AIV) is highly desirable during outbreaks or routine AIV surveillance.
In this project, the preliminary results in developing a...
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...
The importance of gut microbiota in chickens
Recent expansion in knowledge about the influence of microbiota on health and disease started a major research revolution in the area. Intestinal systems of...
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...
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....
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...
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...
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....
Research reveals method to improve Escherichia coli vaccines
A funded research project at the University of Georgia in Athens, Ga. was completed, in which researchers revealed a method to improve Escherichia coli...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
How do coccidiosis challenges influence lipid digestibility and energy utilisation?
Coccidiosis continues to be one of the most pervasive and economically detrimental diseases in commercial poultry production. Controlling this enteric disease is an even...
Overcoming challenges of antibiotic-free production
Antibiotic use once became a conventional, on-farm practice to prevent health issues and boost growth in poultry. Yet, public health concerns about rising bacteria...
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...
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...
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...
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...
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....
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...
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...
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...
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)...
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...
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...
In-ovo corticosterone alters body composition in 35 day old chi-cken meat birds
Increasing evidence suggests early-life exposure to maternal stress can permanently alter thedevelopment of an embryo. Such findings have significant application to the chicken meat...
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...
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...
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...
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...
Transcriptomic modifications caused by subclinical necrotic enteritis in broiler chickens
Phasing out of in-feed antibiotics in the poultry industry has caused necrotic enteritis (NE) to become a primary concern in commercial poultry production in...
How Necrotic Enteritis affects animal’ welfare and performance
Necrotic Enteritis (NE) affected flocks have poor enteric health and nutrient digestibility leading to decreased performance and increased excretion of nutrients.
Evidence suggests that...
Comparing two ELISA kits
Here a comparison of two ELISA kits as been made to assess their efficicacy.
Recombinant turkey herpesvirus vaccines (rHVT) are being widely used for...
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...
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....
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...
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...
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...
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...
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...
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...
How can we get bird flu under control?
Emergency and laboratory monitoring
Bird flu is affecting an increasing number of birds in the Netherlands, leading to the culling of tens of thousands of...
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...
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...