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...

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...

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...

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...

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...

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...

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,...

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....

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...

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...

Turkey reoviral arthritis update

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Avian reoviruses (ARVs) belong to the genus orthoreovirus in the family Reoviridae. They are nonenveloped, double-stranded RNA viruses that are ubiquitous in domestic poultry...

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....

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...

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...

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...

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...

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....

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 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...

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...

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...

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...

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....

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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....

The importance of gut microbiota in chickens

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Recent expansion in knowledge about the influence of microbiota on health and disease started a major research revolution in the area. Intestinal systems of...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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....

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 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...

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...

Researchers develop method for making new types of vaccines

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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,...

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...

Protecting poultry from Avian Influenza

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The Avian Influenza season is upon us, but how much do you know about Avian Influenza? Do you know how to protect the birds...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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