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,...

Investigation of nutritional diseases at the veterinary diagnostic lab

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Here below the role the veterinary diagnostic laboratory can play in helping to confirm nutritional diseases in a flock has been described. Regardless issues...

Frontiers in human and veterinary antibody discovery

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The Pirbright Institute hosted the inaugural Comparative Veterinary Immunology Group (CVIG) meeting Frontiers in Human and Veterinary Antibody discovery on 26 and 27 November,...

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...

Continuous monitoring and control of mycoplasma for sustainable poultry production

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Mycoplasma gallisepticum (MG) and Mycoplasma synoviae (MS) remain persistent pathogens in poultry, causing respiratory disorders, synovitis, uneven growth, and reduced egg production. Determining the...

Holistic view of intestinal health in poultry

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The intestinal health of poultry has broad implications for the systemic health of birds, animal welfare, the production efficiency of flocks, food safety, and...

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...

Reducing antibiotic use without harming profitability is an actual possibility

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Ten million people are at risk due to antibiotic resistance, ensures the “Antimicrobial Resistance Review” published by the United Kingdom government in 2014. Of...

Poultry gut health critical to NAE production

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The production of “No Antibiotics Ever” (NAE) poultry is a common trend worldwide today. Despite scientific evidence indicating that specific antibiotic growth promoters (AGP)...

The Salmonella initiative

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An enduring challenge and reputational issue for the egg industry is caused by the presence of Salmonella enterica serovars (particularly some Typhimurium serotypes), which...

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...

Testing day-old poults

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When poults are received at a farm from the hatchery they should be good quality poults; namely, free from physical defects, actively looking for...

Advantages and disadvantages of Coccidiosis control programs in poultry

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Coccidiosis is a protozoan economic disease of poultry, in which around 80% of losses are due to mortality, reduced weight gain, inefficient feed conversion,...

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...

Should the US rethink its avian influenza policy?

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➤ Tom Tabler, Professor and Extension Poultry Specialist, Department of Animal Science, University of Tennessee Institute of Agriculture  ➤ Tanner Thornton, Graduate Research Assistant, Department...

Towards practical methods for assessing ILTV vaccine take

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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...

Pathogenesis of egg infections by salmonella – Second Part

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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...

Biosecurity, before the beginning…

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Almost all of us, the poultry people, know what biosecurity is about. For the investors, it means spending lots of money to prevent disasters,...

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...

Analysis of anti-Ascaridia galli antibody levels in egg yolk to detect parasite infection in...

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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...

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...

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...

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...

Protozoal management in turkeys

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The two turkey protozoa that cause significant animal welfare and economic distress include various Eimeria species of coccidia and Histomonas meleagridis. For coccidia, oral...

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...

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...

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...

Bacterin usage

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A good vaccination program, along with proper flock management and biosecurity, plays a key role in the health and productivity of broiler breeders. The...
Figure 1

Histopathological evaluation of Histomonas meleagridis on ceca and the bursa of Fabricius in turkeys

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Histomoniasis is caused by Histomonas meleagridis, a flagellated protozoan parasite. It causes systemic infection in turkeys and induces characteristic lesions in ceca and liver....

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...

Incorporating an essential oil and saponin blend as part of an effective coccidiosis management...

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Coccidiosis continues to be a top challenge in the poultry industry and growing evidence of reduced sensitivity to traditional anticoccidials like ionophores and chemicals...

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...

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...

Case report: histomoniasis in broiler breeder pullets

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Histomoniasis, commonly known as blackhead disease, is caused by an anerobic protozoan parasite, Histomonas meleagridis. Histomoniasis affects all gallinaceous birds and turkeys are the...

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...

Transcriptomic modifications caused by subclinical necrotic enteritis in broiler chickens

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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...

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....

Overview of worm infestations in chickens: integrated control, preventive strategies, and novel diagnostic tools

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The transition toward alternative and free-range housing systems has led to a renewed increase in helminth infection pressure in poultry production. Intestinal worms not...

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...

Garlic allicin as a promising alternative to antibiotics in broilers

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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)...

Cecal coccidiosis in turkeys

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Cecal coccidiosis is an important disease that affects the cecal integrity of turkeys and may result in watery feces with flecks of blood. In...

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...

Salmonella Reading in commercial turkeys. Why now and how?

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Salmonella sp. is one of the most common bacteria associated with foodborne illness in humans. Each year in the United States, foodborne salmonellosis causes...

Engineering vaccines for multiple strains of IBV

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In new work funded by a Biotechnology and Biological Sciences Research Council (BBSRC) researchers at The Pirbright Institute and The Roslin Institute have published...

Decoding cecal cores in chickens: from necropsy to diagnosis

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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 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...

Interrupting cholesterol pathway reduces Marek’s disease spread

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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...

Novel Approach Improves Poultry Welfare by Reducing Stress on Chickens

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MSD Animal Health (known as Merck Animal Health within the United States and Canada) recently announced the launch of EXZOLT® (fluralaner), the first systemic...

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...

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...

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...

Future of coccidiosis management in turkeys

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Coccidiosis is a disease that is caused by protozoan parasites that develop within the intestine of most domestic and wild animals and birds. Coccidia...

NWO OTP grant awarded to WUR project aimed at head start for day-old chicks

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The immune system of a chicken starts in the egg. Validated tools to assess how incubation conditions influence immune development are lacking. A new...

Better than alternatives to antibiotics

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Many poultry flocks require antibiotic treatment, if not every cycle, regularly. Antibiotic alternatives are in great demand, especially in the context of dysbiosis and...

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...

UK Veterinary Vaccinology Network

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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...

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...

Use of injection syringes in the animal production industry

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Animal health is an important factor to consider, as any disease outbreak can potentially have drastic economical consequences. For this reason, planning and preparing...

Understanding resistance to different Infectious Bronchitis virus genotypes

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In previous experiments, we have challenged major histocompatibility complex (MHC) congenic chicken lines available at UC Davis with an infectious bronchitis virus (IBV) M41...

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...

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...

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...

Increasing standardization in real-time PCR diagnostics

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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...

Influenza antibodies made by Pirbright reduce disease in chickens

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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...

Researchers examine the role of APEC in turkey cellulitis

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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...

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...

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...

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...

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...

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...

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...

Optimizing immunization through proper vaccination in turkeys

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When we talk about optimizing immunization through proper vaccination in commercial turkeys, we are really talking about optimizing drinking water vaccination when we think...

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...

Compatibility of a new multi-strain probiotic with a live-attenuated Salmonella vaccine in chickens

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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...

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...

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...

The role of feed additives in the protozoal diseases in poultry

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Coccidiosis and histomoniasis are economically significant diseases in chickens and turkeys. Management, vaccination and medication are key tools in the control of these diseases...

Key global health issues in cage-free and organic laying hens

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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...

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...

Obtaining the most benefit from an anticoccidial sensitivity test

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The poultry industry has been using the same anticoccidial drugs for the prevention of coccidiosis for several decades. The last approval of a new...

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