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IBDV protection: Closing the gap between passive and active immunity
TOOLBOX, Issue 24: An interview with Angela Hartman, PhD, Senior Principal Scientist, Zoetis, on the latest vaccine from Zoetis, Poulvac® Procerta™ HVT-IBD.
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Poulvac® ST cross-protects against different Salmonella serotypes
Salmonella vaccination is a vital part of an integrated approach to reducing the Salmonella load during the broiler life cycle.
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5 ways research aims to tackle poultry-sector challenges
Novel, science-based technologies will allow the poultry industry to get ahead of issues coming towards it.
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Study: Larger particles in starter feed lead to better performance
Starter feed of larger particles consumed by young chicks is associated with better performance during the lifetime of broiler birds, according to a study conducted at Mississippi State University.
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Better management, biosecurity could mean lower Salmonella levels in NAE farms
New research has suggested that Salmonella levels in no-antibiotics-ever (NAE) poultry systems could be lower than those on conventional broiler farms.
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Targeted adjuvants may improve recombinant ILT vaccination immune response
Vaccination might be effective in controlling ILT in broilers, but recombinant vaccines might not always provide an adequate immune response, according to scientists at North Caroline State...
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Infectious bursal disease virus linked to poor necrotic enteritis outcomes in broilers
Broiler chickens exposed to infectious bursal disease virus are likely to develop more severe cases of the bacterial disease, necrotic enteritis, researchers in Canada have found.
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Temperature and air flow critical to broiler performance year-round
By Michael Czarick, Engineering Specialist, University of Georgia Department of Poultry Science
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E. coli vaccination in broilers: Is it worth the cost?
According to recent studies, E. coli vaccination may actually help broiler producers boost their bottom lines.
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False layer syndrome linked to early infectious bronchitis exposure
Research is increasingly linking false layer syndrome to early exposure to infectious bronchitis virus. The condition prevents laying hens from producing eggs, but birds display few outward signs of...
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Early IBV infections in layers can increase cysts associated with false layer syndrome
The timing of infectious bronchitis virus (IBV) challenge in layers can impact the development of cysts associated with false layer syndrome, scientists at the University of Georgia have discovered.
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NCSU: Enterococcus co-infection makes colibacillosis deadlier in poultry
Researchers from North Carolina State University have found that when a particular strain of Enterococcus is found alongside E. coli in cases of avian colibacillosis, there is a higher rate of...
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Consider predominance of AL-2 variants when planning IBDV vaccination program
The AL-2 family of variants is the predominant strain of infectious bursal disease virus (IBDV) circulating among US broiler flocks, according to a recent survey.
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Glutamine supplement shows promise in reducing necrotic enteritis
Supplementing poultry diets with glutamine could help reduce the severity of necrotic enteritis (NE), according to researchers.
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German researchers: Poultry, pigs not susceptible to COVID-19
Scientists in Germany have confirmed that pigs and chickens are not susceptible to COVID-19.
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Failure of maternal antibodies to protect against E. coli infection highlights need for early protection
New studies in broiler chicks show that maternal antibodies to Escherichia coli do not prevent infection.
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US poultry vets: Disease control and food safety identified as future research priorities
Surveys carried out by the AAAP found veterinarians working across the broiler, egg and turkey sectors believe food safety should be a high-priority area for future research, alongside vaccine and...
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Report: US poultry producers slash use of medically important antimicrobials while shifting focus to disease prevention
US poultry producers dramatically decreased their use of medically important antimicrobials over a 5-year period ending in 2017, according to a new report released by Randall Singer, DVM, PhD,...
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Deadly duo: Study shows link between E. maxima, Clostridium
New research by Callie McQuain, DVM, veterinarian and grad student at the University of Georgia, substantiates anecdotal field experience indicating that Eimeria maxima is the type of coccidia that...
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E. maxima linked to mortality in broilers vaccinated for coccidiosis
Eimeria maxima in broilers vaccinated against coccidiosis appears to be an important cause of mortality, according to the preliminary results of a study presented at the 2017 annual meeting of the...
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Early feeding, housing may affect broiler response to immune challenges
Early feeding after hatch and the housing type can affect the response of broilers to immune challenges later in life, indicates a study from the Netherlands.
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Are there practical alternatives to ionophores?
Proponents of raising broilers without ionophores and other antibiotics have proposed putting more emphasis on farm management, biosecurity and alternatives to anticoccidials.
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Hens in enriched colony system appear more stressed, flighty
Hens in an enriched colony system were more stressed and flighty than conventionally caged birds in a study from Mississippi State and Texas A&M Universities.
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S. enteritidis shedding more frequent among hens in conventional cages
Fecal shedding of Salmonella enteritidis was significantly more frequent among experimentally infected laying hens in conventional cages compared to hens housed in enriched colony cages, indicates a...
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Broiler study shows challenges and potential of drug-free production
Broilers raised in a drug-free program had a higher feed-conversion ratio (FCR), decreased mean daily weight and decreased mean live marketing weight despite administration of antibiotic
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Canada studies find no links between ionophores, resistance of other antibiotics
One of the few studies about antibiotic resistance and ionophores in poultry was published by Canadian researchers in 2007 who found that isolates showing resistance to multiple antibiotics can be...
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High stocking density predisposes broilers to NE
High stocking density has adverse effects on broiler welfare and intestinal health and predisposes the birds to necrotic enteritis (NE), according to the results of an experiment conducted by...
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Reducing false positives pays in ELISA mycoplasma testing
Poultry producers should consider specificity when selecting a Mycoplasma ELISA test to avoid costs associated with false positives.
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What’s causing ‘woody breast’ in poultry?
A condition known as “woody breast” is puzzling US poultry scientists investigating why breast-muscle tissue from some broiler flocks is hard and tough instead of tender and juicy.
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Experience with GA 08 provides valuable information about IBV variants in poultry
Experience with Georgia 2008 (GA 08) — the infectious bronchitis variant that’s caused major economic losses for poultry producers in the Southeast — has provided valuable information that will...
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What’s left if we lose antibiotics?
Bacterial resistance is developing quickly and many critically important drugs risk becoming obsolete. Disastrous consequences lie in wait therefore unless these drugs are used prudently.
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Broiler chicks show less tendon swelling, weight suppression in reovirus vaccine study
A recent study showed that broiler chicks receiving higher reovirus antibody levels from conventionally vaccinated hens had a lower incidence of tendon swelling and were protected from weight...
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Isolation of Campylobacter from the circulating blood of broilers
From a poultry processing viewpoint, Campylobacter presence in circulating blood of market-age broilers may increase the likelihood of cross-contamination between birds during slaughter.
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Poultry research showcased at SCAD: students shine
Mark Jackwood, PhD, University of Georgia talks about the recent Southern Conference of Avian Diseases (SCAD) and its significance to the poultry industry.
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Reduce odor from manure with free online tool
A team of Iowa State University (ISU) Extension and Outreach specialists have developed an online tool to help livestock and poultry producers compare odor mitigation techniques that could be useful...
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Frequent Application of Litter Amendments in Broiler Houses During Grow-out on Bird Health, Production and Environment
A series of experiments at the University of Delaware show that frequent application of sodium bisulphate improved broiler production performance and foot pad quality and reduced ammonia emissions...
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Sericea lespedeza found ineffective for coccidiosis control in chickens
Sericea lespedeza (SL), a warm-season legume shown to help control coccidiosis in lambs, had no anticoccidial activity in chickens, according to a study conducted at the University of Arkansas.
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Field trials show practical, economic benefits of E. coli vaccine in broilers
Recent studies on two continents have demonstrated that a modified-live vaccine reduced losses from Escherichia coli in broilers, even when the disease challenge was strong.
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Antibiotic resistance revisited in recent media reports
Following the April 2014 World Health Organization (WHO) report warning of a “post-antibiotic era,” Current Biology published the findings of a new study on May 19, reports Influence Feed.
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Supplemental bacitracin reduces mortality, C. perfringens in broilers
Commercial broilers that received a bacitracin-supplemented diet had less Clostridium perfringens in their gut, according to researchers at Ohio State University.
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Methods of diagnosing enteric disease clarified
Diagnosing clostridial enteric disease in poultry remains a challenge — primarily because many clostridial species can be a normal inhabitant of the gut, which makes it difficult to determine their...
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Single dose of Poulvac IBMM+Ark protects long-lived broilers for at least 9 weeks
One dose of the live, attenuated vaccine Poulvac® IBMM+Ark effectively protected broilers against two infectious bronchitis (IB) strains for at least 9 weeks, a recent study shows.
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Organic raw poultry not necessarily safer
Organic raw poultry is not necessarily safer for consumption than conventionally raised poultry, indicates a study from the University of Tennessee.
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Research review: What’s new in poultry housing and equipment?
With animal welfare and the environmental aspects of food animal farming gaining more attention from the public and high feed prices focusing efforts on getting the best performance from poultry,...
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