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Nutritionist: Understanding probiotics is key to managing them effectively in poultry
With the ever-increasing shift to “no-antibiotics-ever” (NAE) production, probiotics have become more common in poultry diets, said Elizabeth Bobeck, PhD, a nutritional immunology expert and...
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Bugs should be a key focus of biosecurity in controlling turkey disease
Producers should play close attention to insect control in their poultry houses to avoid cases of turkey coronavirus enteritis (TCE).
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Coccidiosis: An old problem with some new challenges
Coccidiosis in broiler houses remains a nagging challenge. While clinical manifestations are rare, it’s the subclinical condition that impacts the flock through poor feed efficiency and reduced...
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E. coli implicated in layer gut disease
E.coli may be largely responsible for focal duodenel necrosis (FDN) in layer chickens, according to research presented at the 2022 International Poultry Scientific Forum (IPSF).
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Anticoccidial sensitivity tests: Useful or not?
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
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New insights for managing coccidiosis in broilers
Despite industry advances, coccidiosis remains the leading intestinal health challenge in broilers. Poultry Health Today asked experts to share their latest insights and recommendations for managing...
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Overheating soybean meal hurts gut integrity, broiler growth
Improper heat treatment of soybean meal affects the intestinal integrity of broiler chickens and flock performance, according to a study by researchers at the University of Georgia.
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Survey shows US poultry industry’s evolving yet flexible approach to coccidiosis management
After years of being an afterthought in many broiler-production schemes, coccidiosis vaccines have become the cornerstone for many control programs.
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Comparing necrotic enteritis litter models highlights performance impacts
Reused litter from a previous NE challenge led to more severe subclinical performance impacts but fewer clinical signs of disease than in birds raised on fresh litter.
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Bioshuttle programs valuable tool for managing coccidiosis
Bioshuttle programs are a valuable tool for managing coccidiosis, according to Greg Mathis, PhD, Southern Poultry Research.
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Cutting ionophore use could do more harm than good, veterinarians warn
SOUND SCIENCE: Removal or reduction of ionophores for the control of coccidiosis in poultry could lead to increased antibiotic use, higher production costs and negative impacts on climate-change...
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Keeping up with coccidiosis remains challenging
By Philip A. Stayer, DVM, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
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Ionophore status change would threaten bird health, sustainability, veterinarian warns
There is no need to recategorize ionophores, used as feed additives against coccidiosis, as veterinary medicines, says UK poultry veterinarian Daniel Parker — and doing so could have severe...
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Feed additive appears to benefit gut integrity in broilers with coccidiosis
The feed additive sodium bisulfate administered to broilers during a coccidial challenge appeared to benefit gut integrity.
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Gut microbiota changes linked to E. coli vaccination may support gut health, broiler immune response
DISCOVERIES, Issue 13: A recent study found that administering a live Escherichia coli vaccine by spray produced marked, consistent changes in the intestinal microbiota of broilers.
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Right skills critical to managing increases in Salmonella, coccidiosis associated with cage-free egg production
Producers making the switch to cage-free egg production need to ensure they are properly prepared for managing potential increases in Salmonella and other health challenges.
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Good management and biosecurity vital to overcoming disease challenges in NAE systems
Getting back to basics with bird and house management is key to overcoming coccidiosis and other health issues affecting producers using NAE systems.
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Good gut health starts before hatch, expert says
To establish good gut health, measures to promote a healthy microbiome can’t begin soon enough, an expert reports.
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Good gut health can help minimize Salmonella in broilers
TOOLBOX, Issue 14: An interview with Manuel Da Costa, DVM, PhD, Associate Director, Outcomes Research, Zoetis
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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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Intestinal health in the era of NAE
By Tom Tabler, PhD, Extension Professor, Mississippi State University Extension Service, Poultry Science Department, Mississippi State, Mississippi
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Decisions, decisions: Which gut health strategies should be used when?
As the poultry industry moves to limit antibiotic use, alternative measures to support gut health are now common practice, but more guidance is needed with respect to which strategies to use under...
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‘Causal’ pie chart can help manage necrotic enteritis
Use of a simple “causal” pie chart is proving to be a helpful tool for controlling necrotic enteritis (NE).
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Managing anticoccidials: ‘It’s how you use them that’s important’
Coccidiosis takes a toll of around $3 billion on global poultry production each year, making it one of the industry’s most economically significant diseases worldwide.
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Avian pathogenic E. coli: Difficult to prevent and control
The bacterium E. coli has re-emerged in broiler operations, which seems to coincide with poultry companies’ switch to ‘no antibiotics ever’ (NAE) programs.
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Coccidiosis vaccination impedes nutrient digestibility
Poultry veterinarians and production managers are all too familiar with coccidiosis and its impact on gut health, nutrient absorption, feed conversion and growth rate.
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Live-production management practices that help contain Salmonella
Avoidance of wet litter and well-timed feed withdrawal are two of several management steps that will help control the load of Salmonella going into the processing plant.
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Focal duodenal necrosis in table-egg layers easily overlooked
Focal duodenal necrosis in table-egg layers can be an easily overlooked cause of drops in egg production and egg-case weight loss.
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Trial shows glutamine aids gut health in broilers raised without antibiotics
With the increase in no-antibiotic-ever production, glutamine may serve as a helpful nutrient asset, particularly when birds are under stress.
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Aggressive vaccination of broiler breeders needed to keep reovirus in check
Aggressive vaccination of broiler breeders for reovirus using live and inactivated vaccines has been one of the most important steps the US poultry industry has taken to maintain good protection...
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Gizzard changes seen in NAE flocks but diagnosis is murky
Raising broilers without antibiotics appears to be affecting the gizzard in ways that aren’t yet fully appreciated, and it’s not clear if the changes observed are true gizzard erosions, Jessica...
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Sanderson vet shares thoughts on managing elusive reovirus, other gut diseases
Autogenous vaccines used in a reovirus vaccination program need to be updated relatively often to keep up with changes in the pathogen
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Early exposure to Clostridium protects birds from necrotic enteritis
Early exposure to Clostridium perfringens in used litter may be a way to minimize the impact of necrotic enteritis (NE) in broilers, Steve Davis, DVM, told Poultry Health Today.
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Exploring the connection between hemorrhagic hepatopathy and inactivated vaccines used in broiler breeders
TOOLBOX, Issue 9: An interview with Andy McRee, DVM, Senior Technical Services Veterinarian, Zoetis
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Sanitation key to successful NAE production
The key to successful “no antibiotics ever” (NAE) broiler production is cleanliness throughout every step of production, including a pristine hatchery.
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Coccidiosis control, litter management key to NE prevention in broilers raised without antibiotics
Good coccidiosis control and litter management are the two most important steps producers can take to prevent necrotic enteritis (NE) in flocks raised without antibiotics.
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It takes two: Coccidiosis vaccines effective against E. tenella after adequate cycling
Coccidiosis vaccination was effective in broilers challenged with Eimeria tenella but only after vaccinal oocysts cycled twice, Laura Tensa, DVM, told Poultry Health Today.
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Fresh approach to coccidiosis needed to tackle increase in broiler gut damage
Changes in the behavior of one of the most important coccidial pathogens means poultry producers should take a fresh look at how they deal with the parasite.
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Modified-live vaccination reduced salmonellosis in Brazilian study
New research confirms that modified-live vaccines (MLVs) can effectively reduce salmonellosis in broilers — a leading cause of food poisoning in humans.
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Trace minerals, used litter, coccidiosis control key to managing enteritis in NAE flocks
Starting broiler flocks on used litter, coupled with effective coccidiosis control and the use of trace minerals, can help minimize necrotic enteritis (NE) in broiler flocks raised without...
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Coccidiosis control: New strategies for a new era
Coccidiosis can be controlled in broilers without antibiotics as long as producers pay closer attention to hatchery coccidiosis vaccination procedures, brooding and stocking rates, Greg Mathis, PhD,...
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Research focusing on new controls for coccidiosis, relationship with Salmonella
Alternative products for coccidiosis control remain the focus of research, but so far, the results are inconsistent, Sam Hendrix, DVM, veterinarian and researcher at Colorado Quality Research, told...
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More amino acids, feed aid broiler chicks vaccinated for coccidiosis
Feeding broilers a diet high in amino acids, along with more feed, can minimize the adverse effects on performance that sometimes occur after coccidiosis vaccination.
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Vaccinating broilers against Salmonella can help reduce pathogen’s prevalence at processing
Vaccination of broilers against Salmonella can help poultry producers reduce the pathogen’s prevalence at processing and may also benefit bird performance, Kalen Cookson, DVM, director of clinical...
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Two symposia on poultry enteric disease set stage for 2018 AAAP Conference
Two symposia focused on enteric disease in poultry will be held immediately prior to the 2018 American Association of Avian Pathologists (AAAP) annual conference set for this July in Denver.
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Non-ionophore anticoccidial may help manage necrotic enteritis in RWA flocks
Flocks raised without antibiotics (RWA) that received a non-ionophore anticoccidial after coccidiosis vaccination had fewer necrotic enteritis (NE) lesions, less mortality and better feed conversion...
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Necrotic enteritis: Can it be managed effectively in NAE flocks?
Necrotic enteritis (NE) is not only a big problem in flocks raised without antibiotics, there’s a wide variation in how it presents itself, Steve Davis, DVM, president of Colorado Quality Research,...
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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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Managing coccidiosis successfully in poultry raised without antibiotics
Producers raising flocks without antibiotics are finding new ways to manage gut health and coccidiosis with vaccination and anticoccidials, said Greg Mathis, PhD, coccidiosis specialist.
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Managing coccidia ‘leakage’ in antibiotic-free production systems
The US broiler industry has long relied on coccidial leakage to create immunity against coccidiosis in chickens. In antibiotic-free production systems, leakage occurs but can be more challenging to...
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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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The Poultry Smith
In this exclusive interview with Poultry Health Today, Fieldale Farms veterinarian John Smith reflects on his career, the state of the US poultry industry and, most importantly, what it needs to do...
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Anticoccidial rotation, good husbandry can improve coccidiosis control
Poultry producers worldwide know the importance of cutting losses from coccidiosis – the parasitic disease that is still causing significant losses in growth rate and feed efficiency.
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Managing ionophores and diets for best performance
Carla Price, PhD, a consulting poultry nutritionist based in Mississippi, says that for best results, producers need to consider differences in ionophores when formulating poultry feeds.
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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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Mathis: Long-term planning key to effective coccidiosis management
Whether the production system is antibiotic-free or conventional, long-term planning and strategic rotation programs are the best ways to ensure effective, sustainable control of coccidiosis, the...
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Coccidiosis, intestinal health and their relationship to pathogen loads of harvested broilers
For more than 60 years, antibiotics and synthetic anticoccidials have teamed up to keep coccidiosis under control and produce least-cost meat, said Donald Waldrip, DVM, senior technical services...
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Tyson vet shares experiences with antibiotic-free broilers
Producing Salmonella-free chicks without antibiotics is a delicate procedure — sort of a little like baking a cake, says Scott Gustin, DVM, director of veterinary services for Tyson.
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Alternative treatments for necrotic enteritis: Has CQR’s Steve Davis found the ‘silver bullet’?
For years Steve Davis, DVM, of Colorado Quality Research had been looking for what he calls the "silver bullet" for managing NE in broilers without antibiotics.
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Necrotic enteritis: In search of the silver bullet
Steve Davis, DVM, of Colorado Quality Research says there’s no “silver bullet” for managing necrotic enteritis in broilers and shares his observations from recent studies.
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Specialists explore new options for managing flock health while defending judicious antibiotic use
Growing demand for poultry raised without food-animal antibiotics has put more pressure on veterinarians to find alternative yet dependable disease-control options, according to a panel of nine...
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Free 2015 AAAP Proceedings Booklet
Pressures to reduce or eliminate antibiotics from poultry production have created new health and welfare challenges for chickens and turkeys. In this lively roundtable discussion, poultry...
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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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Three more broiler diseases you can manage with vaccination
There's more to poultry health than Marek's, IBD, ILT and ND. Vaccines also play major roles in curbing these common diseases.
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New coccidiosis-management initiative aims to reduce losses
Targeting the global poultry industry’s more than $3 billion in annual losses to coccidiosis, Zoetis Inc. introduced a new, science-based initiative to help poultry producers worldwide develop...
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Fine-tuning rotation plan can improve coccidiosis management
Broiler producers have made important strides in managing coccidiosis but could further improve control and cut losses by rethinking their strategy for anticoccidial rotation, say veterinarians who...
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Ionophores look different to other scientists, too
Several organizations have drawn the line distinguishing ionophores from other types of antibiotics.
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Ionophores: The price of elimination
Published reports indicate that poultry operations not using any type of antibiotic, including ionophores, are indeed experiencing setbacks in production and flock welfare.
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Omitting ionophores raises ethical conflicts for veterinarians
Some advocacy groups believe that more restaurants and foodservice companies should follow the lead of Chipotle, Panera and Chick-fil-A, which only buy chickens raised without any products classified...
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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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Sanderson’s Phil Stayer: ‘Sustainability is really nothing new for poultry’
Maintaining good intestinal health is particularly important for sustainability because the condition of the gut ultimately determines a flock’s growth rate and feed conversion.
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‘Rotate smarter,’ says coccidiosis specialist
Poultry producers need to “rotate smarter” and learn the differences between anticoccidials if they want to maintain effective and sustainable coccidiosis-management programs, says well-known...
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Coccidiosis research yielding new perspectives on AST
Adding molecular biology (PCR) to anticoccidial sensitivity testing (AST), offers a more in-depth look — and surprising findings — of Eimeria species contributing to coccidiosis in poultry...
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Poultry specialist offers tips for managing gut health through better nutrition
Nutritionist Brett Lumpkins, PhD, of Southern Poultry Research, Athens, Georgia, talks about antibiotic-free poultry production, the challenges it presents and how rations can be adjusted for better...
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Shrewd moves: Like a chess match, anticoccidial rotation is a game of strategy at Wayne Farms
Your next move might address an immediate need, but it also could determine what pieces are still standing later in the match.
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Coccidiosis expert: Timing and combination of cocci control methods critical
Greg Mathis, PhD, of Southern Poultry Research, Athens, Georgia, talks about the continued challenges managing coccidiosis and offers suggestions for improving management programs targeting the...
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Industry roundtable: Raising poultry without antibiotics
Antibiotic-free poultry production remains uncharted territory that’s yielding varied results, a few surprises and an ethical dilemma for veterinarians, poultry experts said at an industry...
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Link between fishmeal, Eimeria and necrotic enteritis in broilers explored
Insights into how fishmeal in poultry rations and Eimeria infection may predispose broilers to necrotic enteritis come from a study by Australian investigators.
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Correlating lesion scores to microscores creates statistical model for efficacy, feed conversion in poultry
Georgia researcher Lorraine Fuller and graduate student Miguel Barrios, at University of Georgia, build new statistical model that saves poultry producers time and money by correlating lesion scores...
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Roundtable highlights: Raising poultry without antibiotics
Antibiotic-free poultry production remains uncharted territory that’s yielding varied results, a few surprises and an ethical dilemma for veterinarians, poultry experts said at an industry...
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Keys to successful ABF production
Poultry health experts at a recent industry roundtable offered these suggestions for successful antibiotic-free production
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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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Coccidiosis: Why is it so difficult to manage?
With more than a dozen antimicrobials and a half dozen vaccines available for coccidiosis, why are US poultry producers still having such a difficult time managing this costly disease?
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Let coccidiosis organisms ‘see something different’
Poultry producers are losing ground to coccidiosis because they’re not implementing effective rotation programs that employ different types and classes of anticoccidials, says Don Waldrip, DVM, a...
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Poultry welfare – expectations and reality
Welfare of poultry, especially laying hens, has become a major issue for commercial poultry producers in the last 15 to 20 years. What is happening to the commercial egg business is also setting the...
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Coccidiosis specialist: ‘Understand’ the products you’re using
Coccidiosis has been around as long as any poultry producer can remember. And despite decades of experience with the tenacious parasitic disease, it hasn’t gotten any easier to manage. In fact,...
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Researchers find potential link between feeding DDGS and necrotic enteritis in broilers
High levels of DDGS (15%) were found in studies at Auburn University to amplify mild to moderate cases of necrotic enteritis into more severe cases.
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Cracked corn has positive effect in broilers
Cracked corn fed to broilers increased weight gain and gizzard size and had a positive effect on gut microflora, say New Zealand investigators.
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Timing may affect accuracy of in ovo vaccination
The coccidiosis vaccine Inovocox® EM1 was more precisely deposited to embryos when the vaccine was administered at 18.5 versus 19 days of incubation, indicates a Zoetis-sponsored study from...
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Coccidiosis: Why is it still so difficult to control?
Coccidiosis can be extremely difficult to manage in poultry because the organism that causes it "has a tremendous capability to reproduce and it's very resistant to any kind of attempt to destroy...
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Intestinal health and necrotic enteritis in broilers
Management at the farm level (litter quality and composition, lighting programmes, stocking density, drinker management and dietary feed management) are important to control necrotic enteritis,...
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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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Poultry veterinarian shares ideas for managing coccidiosis more effectively, economically, sustainably
Don Waldrip, DVM, talks about a new a new science-based, global initiative from Zoetis to help poultry producers develop longer term, sustainable management of coccidiosis.
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Rotecc™ coccidiosis management video
Learn more about the new global coccidiosis-management initiative from Zoetis.
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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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