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...

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...

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...

How Marek’s disease may directly affect the chicken immune system

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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...

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...

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...

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...

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,...

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...

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...

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...

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...

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...

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...

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...

Characterizing litter mite communities. Applications of DNA barcoding for management strategies

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The use of DNA barcoding can facilitate rapid biodiversity assessments of fastidious taxa - litter mite communities - by delineating species using molecular operational...

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...

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...

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...

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...

Research Rules Out Possible Kinky Back Prevention

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USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at North Carolina State University in Raleigh, N.C., in which researchers...

Role of dietary calcium in Necrotic Enteritis development and pathogenesis

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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...

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...

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...

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...

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...

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...

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...

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...

Active and passive Salmonella surveillance systems

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Two surveillance systems have been established in France for the monitoring of antimicrobial resistance (AMR) in Salmonella enterica subsp. enterica isolated from the agro-food...

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....

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 Omics revolution – Implications for animal production

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What does Omics mean? Omics is a term that refers to the recently developed high throughput technologies that include genomics, functional genomics (transcriptomics), proteomics, and...

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...

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...

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...

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...

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....

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...

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...

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...

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...

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...

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...

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...

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...

Infectious Coryza in vaccinated layers: are vaccines failing to protect?

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During 2017 and 2018 Infectious Coryza was detected in several commercial vaccinated egg layer flocks in California. The Avibacterium paragallinarum strains isolated from infected...

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...

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...

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...

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...

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...

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...

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...

On-farm control of campylobacter

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Campylobacteriosis, primarily caused by the consumption of contaminated chicken products, accounts for the majority of food poisoning cases in Europe and many other developed...

Non-antibiotic intestinal interventions

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As the countdown towards implementation of the FDA’s Guidance for Industry 213 continues, interest in non-antibiotic intestinal interventions has increased. Earliest efforts in this...

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....

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...

Infectious bronchitis virus shuts down cell stress signals

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A new study from scientists at The Pirbright Institute and collaborators at the University of Surrey provides evidence that infectious bronchitis virus (IBV) can regulate 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....

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...

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...

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...

Blackhead disease: development of molecular tests and an in vitro assay to identify reservoirs...

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This research project developed diagnostic assays needed for advancing the understanding of blackhead disease. The article shows clearly how the disease most likely spreads...

Major histocompatibility complex and genetic resistance to Infectious Bronchitis Virus

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Infectious bronchitis virus (IBV) is an endemic disease of chickens responsible for considerable economic losses to the poultry industry worldwide. IBV replication leads to...

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...

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...

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...

Infectious bronchitis virus (IBV) vaccines produced in eggs have unpredictable mutations

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Scientists at The Pirbright Institute have shown that infectious bronchitis virus (IBV) vaccines produced in eggs have unpredictable mutations which may be prone to...

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...

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...

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...

Trouw Nutrition presents research during the Poultry Science Association Meeting

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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...

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....

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...

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...

Evaluation of factors that affect susceptibility and control of reovirus-induced viral arthritis in broiler...

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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...

Vaccination of turkey breeders to control Salmonella

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Salmonella continues to be a top food safety concern for the turkey industry, the USDA, and the consumer. Salmonella bacteria are the most frequently...

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...

A new poultry research center at the University of Bristol

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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...

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