A new view of how class I molecules fight diseases

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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...

Female persistency post-peak. Managing fertility and production

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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...

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....

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...

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...

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...
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....

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...

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...

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...

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...

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....

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,...

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...

Managing coccidiosis in birds raised without antibiotics

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For poultry producers to make a profit they must have healthy, uniform sized birds, make sure there are no real or assumed human health...

World Veterinary Day – celebrating the value of vaccination

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The theme of this year’s World Veterinary Day – celebrated April, 27th – was Value of Vaccination. To celebrate it, some of the vaccinology...

Macroscopic lesion scoring correlates with gut morphology changes in a newly developed dysbacteriosis model

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Conventional broilers often experience intestinal problems between 20 and 30 days of age, caused by a microbial imbalance in the gut, which is referred...

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...

The cost of mycoplasma infection in poultry

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Sometimes some Mycoplasma infections cause disease in poultry and this has been extensively studied and worried about by veterinarians, poultry producers and veterinary authorities....

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...

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...

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...

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...

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...

Heat stress causes inhibition of Eimeria replication in broilers

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Eimeria infection is one of the most important diseases affecting poultry production, and is characterized by bloody or watery diarrhea, weight loss, poor feed...

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...

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...

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...

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....

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...

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...

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...

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...

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...

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...

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....

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...

Research reveals method to improve Escherichia coli vaccines

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A funded research project at the University of Georgia in Athens, Ga. was completed, in which researchers revealed a method to improve Escherichia coli...

Backyard poultry flocks Salmonella spp. seroprevalence

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As backyard poultry grows as a hobby in the United States there is an increased worry that poultry will become infected with Salmonella spp....

Turkey arthritis reovirus. Diagnostic strategies

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Avian reoviruses (ARVs). They are non-enveloped viruses of 70-80 nm size having an icosahedral symmetry. The viral genome has 10 segments of double stranded...

Monitoring of IBV circulation and prevalence

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Infectious bronchitis (IB) is one of the most common viral diseases in chicken production worldwide and IB virus (IBV) is considered the most contagious...

Infectious Laryngotracheitis (ILT) Advisory – City of Kingston

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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...

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...

Use of multiple strains of infectious bronchitis vaccines to induce protection against new IB...

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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...

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....

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...

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...

Biological control of Salmonella in the poultry industry: a European perspective

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Salmonella remains one of the most important foodborne bacterial pathogens worldwide, and is frequently linked with the consumption of contaminated poultry meat and eggs....

Microbiota studies in poultry

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The microbial populations that inhabit the gastrointestinal tract (GIT) of birds play an important role in the establishment and maintenance of a healthy gut....

Pulmonary Nocardiosis in turkey poults

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Nocardiosis is an opportunistic, noncontagious, pyogranulomatous or suppurative disease of domestic animals, wildlife and people. In domestic animals, it causes mastitis, pneumonia (granulomatous lesions...

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...

Better for birds, the earth, and you: Kipster’s egg

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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...

Salmonella prevention strategies and influences of sampling method selection

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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...

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,...

Integrated Microfluidic Device for rapid Avian Influenza virus capture

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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...

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...

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...

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...

Host and microbial biomarkers for intestinal health and disease in broilers

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New tools can be used to determine the gut health status of animals and to predict animal performance or to make a decision whether...

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...

DNA region in chickens identified for disease resistance

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One region in the DNA explains a large difference in possible disease resistance betweenchickens. This was discovered by researchers of Wageningen University & Research...

Boosting the cell-mediated immunity in chickens post-hatch via pre-hatch delivery of nucleic acids

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Respiratory virus infections such as Avian Influenza, infectious laryngotracheitis and infectious bronchitis lead to high morbidity and mortality in chickens globally. Given the limitations...

Comparison of four injection sites for Se bacterin vaccine in commercial pullets

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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,...

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...

Wooden Breast Disease

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The emergence of Wooden Breast Disease in commercial broiler chickens has been associated with significant economic loss in the poultry industry resulting from severe...

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...

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...

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...

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...

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...

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...

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...

The challenges and future of poultry diagnostics

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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...

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...

Profiling Salmonella serotypes through broiler processing

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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...

The manureshed concept: a solution to poultry litter nutrient recycling?

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Surface waters in the United States are regularly assessed as a part of the Clean Water Act to determine whether the water quality protects...

Alternatives to antibiotics in organic poultry

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Organic poultry production is one of the fastest growing segments of organic agriculture with a 20% average annual increase since the establishment of the...

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...

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...

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...

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