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...
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...
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...
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...
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...
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...
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...
Managing coccidiosis in birds raised without antibiotics
For poultry producers to make a profit they must have healthy, uniform sized birds, make sure there are no real or assumed human health...
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....
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...
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...
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...
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...
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...
Chlamydia spp. detected in poultry in Piedmont, Italy
Chlamydia spp. are agents of re-emerging infections in poultry worldwide and deserve attention from a public health perspective due to the well-known zoonotic nature...
Compatibility of a new multi-strain probiotic with a live-attenuated Salmonella vaccine in chickens
A pilot study was undertaken to assess the compatibility of a new multistrain probiotic with a live-attenuated Salmonella Typhimurium (ST) vaccine. Experimental units were...
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...
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...
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...
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...
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....
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...
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...
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....
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...
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...
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...
A new view of how class I molecules fight diseases
Classical class I molecules of the major histocompatibility complex (MHC) play crucial roles in defence against viruses.
The class I molecules bind pieces of protein...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Pirbright research to boost vaccine production
Scientists at the Pirbright Institute have received money, which will enable research into boosting vaccine yields by up to ten fold. The funding was...
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,...
Avian influenza diagnostics in foxes provide valuable addition to mammal surveillance
Research by Wageningen Bioveterinary Research (WBVR) and the Dutch Wildlife Health Centre (DWHC) shows that foxes in the province of Friesland can become infected...
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...
A diagnostic laboratory perspective for pathogen detection
Detection of infectious diseases can generally be broken down into laboratory detection of the pathogen or detection of the immune response to the pathogen....
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...
Get the most from your diagnostic laboratory.
A field perspective.
You notice the
mortality is up this morning in one of your brooder houses. Your first thought
might be “better take some birds to...
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...
Trouw Nutrition presents research during the Poultry Science Association Meeting
Synergistic use of different feed additives may support producers’ antibiotic reduction programmes.
Reducing antibiotic use in poultry production is an urgent objective shared by stakeholders...
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...
Practical guide for evaluating day-old chick quality: key standards and health monitoring
Evaluating the quality of day-old chicks (DOC) is crucial for successful poultry production. This practical guide outlines the key physical indicators, health factors, and...
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...
Improving birds’ health by refining their intestinal microbiota health and stability
Intestinal systems of living organisms are inhabited by a dense community of microorganisms dominated by bacteria but also containing archea, fungi, protozoa and viruses....
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...
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...
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...
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....
USPOULTRY Releases Updated Report of Antibiotic Stewardship Within US Poultry Production
Updated research, supported by the U.S. Poultry & Egg Association (USPOULTRY) and the U.S. Food and Drug Administration (FDA), was released today quantifying the...
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...
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...
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 bursal disease viruses may swap genetic material during infection
Live cell imaging has been used by researchers at The Pirbright Institute to reveal new information about how different strains of infectious bursal disease virus...
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...
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...
Detection of antibodies against Chlamydia species in chicken serum
Avian chlamydiosis is a bacterial infection caused by Chlamydia bacteria. The currently available tests distinguish Chlamydia species based on genetic material. Researchers from Wageningen...
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...
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...
The effects of diet and epigenetic alterations on the gut microbiome, inflammation and poultry...
The gut microbiota is a fundamental force influencing diverse aspects of avian physiology. Microbiome studies are at a critical juncture and facing a challenging...
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,...
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...
Better for birds, the earth, and you: Kipster’s egg
In the United States, as of March 2024, 40% of eggs produced are cage-free. While the cage-free movement has gained momentum worldwide, one company...
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...
Prevention and control of biofilm in water line systems as part of biosecurity protocols
This paper does not address
the situations in which the microbiological quality of the water
has been compromised from the beginning; rather, this paper addresses how
drinking...
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...
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...
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...

























































































