Holistic view of intestinal health in poultry
The intestinal health of poultry has broad implications for the systemic health of birds, animal welfare, the production efficiency of flocks, food safety, and...
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...
Chlamydia spp. detected in poultry in Piedmont, Italy
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...
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...
The role of feed additives in the protozoal diseases in poultry
Coccidiosis and histomoniasis are economically significant diseases in chickens and turkeys. Management, vaccination and medication are key tools in the control of these diseases...
Novel Approach Improves Poultry Welfare by Reducing Stress on Chickens
MSD Animal Health (known as Merck Animal Health within the United States and Canada) recently announced the launch of EXZOLT® (fluralaner), the first systemic...
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...
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...
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...
Avian reovirus, molecular characterization
Avian reovirus (ARV) is the main cause of viral arthritis and tenosynovitis in chickens and turkeys, triggering economic losses in the poultry industry due...
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...
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...
Gut health and Coccidiosis
In poultry, gut health is fundamental and the gastrointestinal tract accounts for twenty percent of the energy expenditure of the whole body. This energy...
NWO OTP grant awarded to WUR project aimed at head start for day-old chicks
The immune system of a chicken starts in the egg. Validated tools to assess how incubation conditions influence immune development are lacking. A new...
How Necrotic Enteritis affects animal’ welfare and performance
Necrotic Enteritis (NE) affected flocks have poor enteric health and nutrient digestibility leading to decreased performance and increased excretion of nutrients.
Evidence suggests that...
Holistic view of intestinal health in poultry
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...
A multidisciplinary research approach on Avian Influenza in Italy
The Avian Influenza epidemic of 2016-2017 had been the largest in Europe in more than 10 years. The circulating virus was a Highly Pathogenic...
Protecting poultry from Avian Influenza
The Avian Influenza season is upon us, but how much do you know about Avian Influenza? Do you know how to protect the birds...
Infectious bronchitis virus (IBV) vaccines produced in eggs have unpredictable mutations
Scientists at The Pirbright Institute have shown that infectious bronchitis virus (IBV) vaccines produced in eggs have unpredictable mutations which may be prone to...
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...
Prevalence and antimicrobial resistance of thermophylic Campylobacters in poultry
Campylobacter spp. is a leading cause of foodborne diarrhea. The most common source of infection is contaminated food, mainly poultry meat.
The uncontrolled use of...
Researchers develop method for making new types of vaccines
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the U.S. National Poultry Research Center, Southeast Poultry Research Laboratory in Athens,...
Bacterin usage
A good vaccination program, along with proper flock management and biosecurity, plays a key role in the health and productivity of broiler breeders. The...
Footpad dermatitis in market turkey hens. Bird density and bedding material relationships
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 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...
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...
Frontiers in human and veterinary antibody discovery
The Pirbright Institute hosted the inaugural Comparative Veterinary Immunology Group (CVIG) meeting Frontiers in Human and Veterinary Antibody discovery on 26 and 27 November,...
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...
Salmonella Reading in commercial turkeys. Why now and how?
Salmonella sp. is one of the most common bacteria associated with foodborne illness in humans. Each year in the United States, foodborne salmonellosis causes...
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...
Targeted preharvest interventions against Salmonella in turkeys
Salmonella is a foodborne zoonotic pathogen prevalent in poultry production, including turkeys. The pathogen is a constant threat to human public health because of...
Mycotoxins in turkeys
Toxin production requires the presence of a mould, a suitable substrate and a suitable environment. If a mould is present, toxin production is influenced...
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...
Active and passive Salmonella surveillance systems
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...
Coccidiosis control in broiler breeders with the use of vaccines by Aviagen®
Coccidiosis is a disease of the intestinal lining, produced by the invasion of the mucosal cells by a very prolific protozoan parasite of the...
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...
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...
Isoquinoline alkaloids lower the prevalence of salmonella Heidelberg in broiler chickens
Worldwide, tens of millions human cases are reported every year for salmonellosis. This makes it one of the most common foodborne diseases, which can...
Nutritional strategies against pathogens in poultry
Salmonella Enteritidis and Campylobacter jejuni are the two major foodborne pathogens transmitted through poultry products. Since chickens are the reservoir hosts of these pathogens,...
Protozoal management in turkeys
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
Even if many people use the same methods or knowledge for water vaccination in cage or aviary systems as they do for broiler or...
Improving birds’ health by refining their intestinal microbiota health and stability
Intestinal systems of living organisms are inhabited by a dense community of microorganisms dominated by bacteria but also containing archea, fungi, protozoa and viruses....
Histopathological evaluation of Histomonas meleagridis on ceca and the bursa of Fabricius in turkeys
Histomoniasis is caused by Histomonas meleagridis, a flagellated protozoan parasite. It causes systemic infection in turkeys and induces characteristic lesions in ceca and liver....
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...
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...
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...
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...
Infectious bursal disease viruses may swap genetic material during infection
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...
Female persistency post-peak. Managing fertility and production
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...
The ABCs of CDT (Clostridial Dermatitis of Turkeys)
Clostridial Dermatitis of Turkeys (CDT), also referred to as Cellulitis, remains a major disease issue across all geographic regions of the US; the annual...
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...
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...
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...
Concurrent infection of Histomonas meleagridis and Eimeria meleagridis in a turkey flock
Blackhead disease (histomoniasis) in turkeys is one of the protozoan diseases sporadically documented in commercial turkey production facilities. Histomoniasis may induce mild, moderate, or...
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,...
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....
Transcriptomic modifications caused by subclinical necrotic enteritis in broiler chickens
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...
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...
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...
Cecal coccidiosis in turkeys
Cecal coccidiosis is an important disease that affects the cecal integrity of turkeys and may result in watery feces with flecks of blood. In...
Effect of difference doses of Newcastle disease vaccine immunization on broilers
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...
Turkey arthritis reovirus. Diagnostic strategies
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...
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...
Vaccination of turkey breeders to control Salmonella
Salmonella continues to be a top food safety concern for the turkey industry, the USDA, and the consumer. Salmonella bacteria are the most frequently...
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...
Towards practical methods for assessing ILTV vaccine take
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...
Animal feed probiotics market expands as antibiotic-free nutrition gains momentum
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...
Pulsed ultraviolet light processing of eggs
In recent years, pulsed ultraviolet light has been shown to reduce microbial pathogens on the surface of shell eggs, crucial for maintaining good chick...
Antibiotic-resistance: the contribution of the viruses in GIT microbiome
The GIT, or rather the gastro intestinal tract, is the organ of the all organism mostly colonized by the microbial population: it hosts more...
The Salmonella initiative
An enduring challenge and reputational issue for the egg industry is caused by the presence of Salmonella enterica serovars (particularly some Typhimurium serotypes), which...
Research reveals method to improve Escherichia coli vaccines
A funded research project at the University of Georgia in Athens, Ga. was completed, in which researchers revealed a method to improve Escherichia coli...
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....
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...
DNA region in chickens identified for disease resistance
One region in the DNA explains a large difference in possible disease resistance betweenchickens. This was discovered by researchers of Wageningen University & Research...
Interrupting cholesterol pathway reduces Marek’s disease spread
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...
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....
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...
Overcoming challenges of antibiotic-free production
Antibiotic use once became a conventional, on-farm practice to prevent health issues and boost growth in poultry. Yet, public health concerns about rising bacteria...
Poultry gut health critical to NAE production
The production of “No Antibiotics Ever” (NAE) poultry is a common trend worldwide today. Despite scientific evidence indicating that specific antibiotic growth promoters (AGP)...
Infectious Bursal Disease antibody levels and viral load in commercial broiler chickens
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...