Linear Epitope Mapping of B-cell responses following immunization with Avian Reovirus S1133

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Avian reovirus is a causative agents of tenosynovitis and viral arthritis. Commercially available reovirus vaccines do not protect against challenge with emerging variants associated...

First-Ever Report of antimicrobial ase across U.S. broiler chickens and turkeys

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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....

Pathological manifestations of highly pathogenic and predominant Eimeria species in turkeys

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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...

Field vaccination against ILT in broiler chickens: lack of consistency

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When vaccination against infectious laryngotracheitis (ILT) is necessary in broiler flocks, mass administration techniques are required due to the sheer numbers of birds involved....

Bioavailable silicium as feed additive and its beneficial effects throughout poultry production

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Silicium is a naturally occurring trace element that supports bone formation, collagen synthesis, and structural integrity in tissues and eggshell membranes. In poultry, dietary...

Animal feed probiotics market expands as antibiotic-free nutrition gains momentum

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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...

A diagnostic laboratory perspective for pathogen detection

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Detection of infectious diseases can generally be broken down into laboratory detection of the pathogen or detection of the immune response to the pathogen....

Research provides new understanding of ILT vaccines

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USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Delaware in Newark, Delaware, in which researchers...

Pirbright’s new Avian Influenza vaccine

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An improved poultry influenza vaccine has been developed by researchers from The Pirbright Institute. The potential vaccine triggers a rapid immune response which protects...

Infectious Laryngotracheitis (ILT) outbreaks in laying hens in Konya province

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Infectious laryngotracheitis (ILT) epidemic cases characterized with respiratory symptoms, hemorrhagic tracheitis and laryngitis findings were identified in laying hen’s enterprises in Konya province. Ten Lohman-breed...

The declining trend of salmonellosis cases in the EU has levelled off

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Cases of Salmonella Enteritidis acquired in the EU have increased in humans by 3% since 2014 says the report, which is compiled by the...

New avian flu outbreak detected on a farm in the Urgell region (Catalonia)

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The Government of Catalonia has confirmed the detection of a new case of avian influenza on a poultry farm located within the surveillance radius...

Researchers characterize selected variant Avian Reovirus strains

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USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of California, Davis, in which researchers looked to...

Managing CO2 and fresh air to optimise hatchability

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Last year I was invited to a layer hatchery that was reporting slightly lower hatchability than its sister hatcheries, despite using eggs from the...

How do coccidiosis challenges influence lipid digestibility and energy utilisation?

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Coccidiosis continues to be one of the most pervasive and economically detrimental diseases in commercial poultry production. Controlling this enteric disease is an even...

In-ovo corticosterone alters body composition in 35 day old chi-cken meat birds

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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...

Salmonella, creating the most undesirable environment

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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...

The effects of diet and epigenetic alterations on the gut microbiome, inflammation and poultry...

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The gut microbiota is a fundamental force influencing diverse aspects of avian physiology. Microbiome studies are at a critical juncture and facing a challenging...

Effect of difference doses of Newcastle disease vaccine immunization on broilers

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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...

Sample management and handling for diagnostic testing

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Diagnostic testing is an important and widely used tool in commercial poultry husbandry. A key to best use of diagnostic testing, is to begin...

Research examines novel next generation sequencing techniques

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USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Georgia in Athens, Georgia, in which researchers...

Avian influenza diagnostics in foxes provide valuable addition to mammal surveillance

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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

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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...

Gut health and Coccidiosis

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In poultry, gut health is fundamental and the gastrointestinal tract accounts for twenty percent of the energy expenditure of the whole body. This energy...

Clostridial Dermatitis

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Clostridial Dermatitis is a disease of economic concern in turkeys. Clostridium perfringens and Clostridium septicum have been isolated consistently from dermatitis lesions in turkeys....

Antimicrobial drug resistance in poultry. What do we know about risk factors?

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There is an increasing amount of published surveillance and diagnostic submissions data, providing information on prevalence and trends of antimicrobial drug use and antimicrobial...

Ability to detect Salmonella vs. Salmonella-Free in poultry processing

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Poultry are sampled often for Salmonella during growout on the farm and throughout the processing plant. While on farm sampling is not currently a...

Water disinfection in poultry farms: a low-cost practice with high impact

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Water is often overlooked as a source of disease risk in poultry farming. Yet, when it comes to biosecurity, drinking water is one of...

How to guard your hatchery against biosecurity threats

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Biosecurity, by simple definition, is a set of procedures undertaken to limit the spread of infectious pathogens to a susceptible population. It is, however,...

Increased cecal butyrate concentrations protect against Salmonella Enteritidis

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Butyrate is a molecule that is extensively studied as a feed additive to improve gut health and animal performance. It also has been described...

The relationship between sperm function and diet – Toms are what they eat

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It is well known that cryopreserved semen could be used to regenerate commercial or research poultry lines; however, fertility rates from poultry semen frozen...

Update on Infectious Bronchitis in the United States

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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...

How Necrotic Enteritis affects animal’ welfare and performance

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Necrotic Enteritis (NE) affected flocks have poor enteric health and nutrient digestibility leading to decreased performance and increased excretion of nutrients. Evidence suggests that...

Infectious bursal disease viruses may swap genetic material during infection

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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...

Poultry expertise at IDEXX

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In a rapidly evolving poultry production environment with fewer treatment options, disease prevention and identification are more important than ever. Reliable lab diagnostics play...

Coccidiosis control in broiler breeders with the use of vaccines by Aviagen®

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Coccidiosis is a disease of the intestinal lining, produced by the invasion of the mucosal cells by a very prolific protozoan parasite of the...

Management of drinking water and vaccination procedures: a strategic pairing for effective immunization

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Vaccination via drinking water is one of the cornerstones of modern poultry production and accounts for the majority of immunization procedures carried out during...

Mycoplasma Synoviae, a technical update

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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...

Mass water vaccination in poultry sheds: accurate dose for every bird, every line

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Even if many people use the same methods or knowledge for water vaccination in cage or aviary systems as they do for broiler or...

A review of novel biological alternatives to antibiotic therapies in poultry

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As poultry producers in Australia continue to limit antibiotic use, increasing numbers of alternative therapies and chemical biosecurity products are being used to overcome...

Collaborative regulatory approach can reduce antibiotic use in animal production

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As global concern about the human health threat posed by antimicrobial resistance continues rises, governments continue to introduce legislation to curb antibiotic use in...

Maternal derived antibodies have a role on the impact of Original XPC

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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...

Chicken study probes resistance to food bug

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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,...

Microbiological consequences of different housing systems for laying hens, with particular reference to Salmonella...

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A significant proportion of human illnesses caused by Salmonella are linked to the consumption of contaminated eggs. In response, substantial government and private industry...

Detection of antibodies against Chlamydia species in chicken serum

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Avian chlamydiosis is a bacterial infection caused by Chlamydia bacteria. The currently available tests distinguish Chlamydia species based on genetic material. Researchers from Wageningen...

Gut health in layers

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To some extent gut health has not been a focus of commercial pullet and layer flocks unless the problem contributed to a significant mortality...

Comparing two ELISA kits

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Here a comparison of two ELISA kits as been made to assess their efficicacy. Recombinant turkey herpesvirus vaccines (rHVT) are being widely used for...

Development of Multilocus sequence typing (MLST) for Mycoplasma gallisepticum

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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...

Get the most from your diagnostic laboratory.

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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...

Quality Control Audits of killed vaccination

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Vaccination programs for breeders and egg layers include procedures with inactivated vaccines. Killed (inactivated) vaccines are used to prevent disease in the vaccinated bird...

Feeding the commercial turkey

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Choosing the most effective feeding programme has never been more important given the unpredictability of the raw material market and lack of consistent supply...

Isoquinoline alkaloids lower the prevalence of salmonella Heidelberg in broiler chickens

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Worldwide, tens of millions human cases are reported every year for salmonellosis. This makes it one of the most common foodborne diseases, which can...

An alternative method to fight Avian Influenza Virus

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A recent project was completed at the University of Iowa, Iowa City, Iowa, in which researchers developed a mobile system that can inactivate Avian...

Future of Blackhead Disease in poultry

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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 ABCs of CDT (Clostridial Dermatitis of Turkeys)

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Clostridial Dermatitis of Turkeys (CDT), also referred to as Cellulitis, remains a major disease issue across all geographic regions of the US; the annual...

Prevention and control of biofilm in water line systems as part of biosecurity protocols

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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...

Antibiotic-resistance: the contribution of the viruses in GIT microbiome

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The GIT, or rather the gastro intestinal tract, is the organ of the all organism mostly colonized by the microbial population: it hosts more...

Pulsed ultraviolet light processing of eggs

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In recent years, pulsed ultraviolet light has been shown to reduce microbial pathogens on the surface of shell eggs, crucial for maintaining good chick...

Research shows nutritional effects of Coccidiosis vaccination

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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...

Gut health, intestinal innate immunity and performance

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Gut health is a very important determinant for health and performance in particular in production animals. The intestinal innate immune system is pivotal in...

Rapid in vitro antimicrobial screening assay against Campylobacter

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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...

Targeted preharvest interventions against Salmonella in turkeys

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Salmonella is a foodborne zoonotic pathogen prevalent in poultry production, including turkeys. The pathogen is a constant threat to human public health because of...

Investigating diseases affecting poultry production

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Severe diseases such as highly pathogenic avian influenza and velogenic Newcastle disease are still a concern for poultry producers and government agencies alike. Companies...

Footpad dermatitis in market turkey hens. Bird density and bedding material relationships

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Lameness and poor footpad condition can be major issues for meat-type poultry resulting in their decreased well-being and decreased productivity. A large body of research exists for...

Avian reovirus, molecular characterization

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Avian reovirus (ARV) is the main cause of viral arthritis and tenosynovitis in chickens and turkeys, triggering economic losses in the poultry industry due...

A synergistic herbal alternative combination: curcumshield vs poultry infections – a broad-spectrum study

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Introduction In the case of bacterial infections, various categories of antibiotics – especially synthetic ones – are widely used as broad-spectrum bacteriostatic and bactericidal agents....

Improving birds’ health by refining their intestinal microbiota health and stability

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Intestinal systems of living organisms are inhabited by a dense community of microorganisms  dominated by bacteria but also containing archea, fungi, protozoa and viruses....

Turkey dermatitis/cellulitis: where are we headed?

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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,...

Pathogenesis of egg infections by Salmonella – First Part

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Salmonella is an invasive bacterial genus and colonizes the gut of chickens, and systemically spreads to internal organs, including the reproductive tract, potentially leading...

Gut health in poultry production: why, what and how

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Gut health has become a dominant topic in the global poultry industry. But why did the topic emerge to become so important to the...

Pirbright research to boost vaccine production

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Scientists at the Pirbright Institute have received money, which will enable research into boosting vaccine yields by up to ten fold. The funding was...

Pirbright’s livestock coronavirus research

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The Pirbright Institute is aware that misinformation regarding the Institute and its research is circulating on social media following an outbreak of a new...

Mycotoxins in turkeys

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Toxin production requires the presence of a mould, a suitable substrate and a suitable environment. If a mould is present, toxin production is influenced...

Infectious Bursal Disease antibody levels and viral load in commercial broiler chickens

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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...

Gut health

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Gut health and the efficient conversion of feed into its basic components for optimal nutrient absorption is vital for both commercial and turkey breeder...

Research shows how Infectious Laryngotracheitis can spread from vaccinated flocks

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The research on how Infectious Laryngotracheitis can spread from vaccinated flocks was made possible in part by an endowing Foundation gift from Claxton Poultry...

Chlamydia spp. detected in poultry in Piedmont, Italy

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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...

Enhancing biosecurity using flow analysis and Danish entry concepts

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The term Danish entry is commonly used to describe entryways to livestock buildings that help people enter barns in a relatively bio secure way...

New predictive models for an integrated approach to combating avian influenza

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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 a single Avian Influenza protein can increase period of infection

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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...

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