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...
Research shows how Infectious Laryngotracheitis can spread from vaccinated flocks
The research on how Infectious Laryngotracheitis can spread from vaccinated flocks was made possible in part by an endowing Foundation gift from Claxton Poultry...
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...
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...
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...
Chicken study probes resistance to food bug
Receiving gut microbes from resistant chickens does not lessen chickens’ susceptibility to bacterium that causes food poisoning.
Susceptible chickens became even more susceptible to Campylobacter,...
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...
Researchers examine the role of APEC in turkey cellulitis
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Georgia in Athens, Georgia, in which researchers...
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,...
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....
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...
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...
Research shows nutritional effects of Coccidiosis vaccination
A funded research project on Coccidiosis was completed at the University of Arkansas in Fayetteville, Arkansas, that shows the nutritional effects of coccidiosis vaccination.
Project...
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...
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...
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...
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...
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...
Continuous monitoring and control of mycoplasma for sustainable poultry production
Mycoplasma gallisepticum (MG) and Mycoplasma synoviae (MS) remain persistent pathogens in poultry, causing respiratory disorders, synovitis, uneven growth, and reduced egg production. Determining the...
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...
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...
Detection and quantification of Gallibacterium anatis and Mycoplasma synoviae
Mycoplasma synoviae is one of the most common preconditions for secondary bacterial infections in poultry. It causes subclinical infections of the upper respiratory tract,...
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...
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....
Gut health in layers
To some extent gut health has not been a focus of commercial pullet and layer flocks unless the problem contributed to a significant mortality...
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...
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 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...
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...
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...
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...
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,...
Infectious Laryngotracheitis (ILT) Advisory – City of Kingston
The Feather Board Command Centre (FBCC) is issuing an Infectious Laryngotracheitis (ILT) biosecurity advisory for an approximate 10 km area in the City of Kingston.
FBCC...
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...
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...
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...
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....
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...
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...
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...
The cost of mycoplasma infection in poultry
Sometimes some Mycoplasma infections cause disease in poultry and this has been extensively studied and worried about by veterinarians, poultry producers and veterinary authorities....
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...
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 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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
An alternative method to fight Avian Influenza Virus
A recent project was completed at the University of Iowa, Iowa City, Iowa, in which researchers developed a mobile system that can inactivate Avian...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
Adaptability of bird flu poses threat to poultry
New insights from a study of the 2016/17 bird flu outbreak show how highly pathogenic bird flu viruses – which are likely to cause...
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...
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...
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...
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...
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...
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...
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...
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...
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....
How a single Avian Influenza protein can increase period of infection
New research led by scientists at The Pirbright Institute has shown how an Avian Infuenza a virus protein, called PB1-F2, is able to shut...
