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Replication, coverage vary among MD vaccination programs for long-lived birds
DISCOVERIES: Marek’s disease (MD) vaccination programs for breeders and layers can vary significantly in the replication and coverage they provide, a finding that should be considered when planning...
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How to ensure successful installation of in ovo technology
In ovo vaccination is on the rise across the Asia-Pacific as producers recognize its benefits, but proper training and support are essential.
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Tuning up live-vaccine priming for infectious bursal disease and reovirus
TOOLBOX, Issue 13: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis
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Limiting E. coli transmission from hen to offspring
TOOLBOX: An interview with Henrik Christensen, PhD, DVSc, University of Copenhagen, on the effect of Poulvac E. coli on bird health, laying performance and hatching results.
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How to avoid performance drops when initiating coccidiosis vaccination
TOOLBOX, Issue 11: An interview with Jon Schaeffer, DVM, Director of Poultry Veterinary Services, Zoetis
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Colibacillosis control in egg-laying chickens: A new tool in our toolbox
By Paul McMullin, MVB, MSc, DPMP, DiplECPVS, FRCVS, Consultant Veterinarian, Poultry Health International
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In ovo administration of recombinant HVT vector vaccines ‘perfect combination’ of microbiology and engineering
TOOLBOX, Issue 30: An interview with Alberto Giner, DVM, poultry technical manager, Zoetis on in ovo administration of recombinant HVT vector vaccines.
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Tips for managing inclusion body hepatitis
TOOLBOX, Issue 27: An interview with Daniel Bautista, DVM, senior technical services, Zoetis on managing the recent resurgence of inclusion body hepatitis in broilers.
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Conventional, recombinant MD vaccination protocols compared in long-lived birds
TOOLBOX, Issue 34: An interview with Eduardo Muniz, DVM, Zoetis on research comparing conventional vaccine programs versus new protocols with vectored vaccines.
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Catching problems in layer vaccination — and making them right
TOOLBOX, Issue 28: An interview with Andy McRee, DVM, senior technical services veterinarian, Zoetis on correcting problems in layer vaccination.
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AL2 variants now account for more than half of IBDV field isolates in broilers
DISCOVERIES, Issue 10: AL2 variants now account for more than half of the infectious bursal disease virus (IBDV) field isolates in broilers, according to the results of a 5-year survey.
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Pullet vaccination: There’s always room for improvement
TOOLBOX, Issue 17: An interview with Tim Cummings, DVM, Senior Technical Services Veterinarian, Zoetis
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Periodic IBV PCR testing is key to ensuring vaccination efficacy
Complexes should regularly evaluate the infectious bronchitis viruses (IBV) prevalent on their farms to help determine which vaccines can provide the best protection possible.
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Making sense of broiler-feed withdrawal — with the help of a few aphorisms
By Douglas L. Fulnechek, DVM Senior Public Health Veterinarian Zoetis
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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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5 steps to preventing heat stress in layers
By John Brown, DVM, Senior Technical Services Veterinarian Zoetis
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Pathways to protection: How one vaccine decision can affect options for managing other diseases in broilers
Broiler operations want to provide the best disease protection for the least cost, but deciding which vaccines to use and when can be a daunting task.
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New vaccine simplifies IBDV vaccination; provides effective early pullet protection
TOOLBOX, Issue 25: An interview with John Brown, DVM, senior technical services veterinarian and layer specialist, Zoetis on early pullet protection from IBDV.
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Latest breeder, broiler vaccines provide consistent IBDV immunity
TOOLBOX, Issue 23: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis about Poulvac Maternavac 4 and Poulvac Procerta HVT-IBD.
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Robust challenge studies demonstrate efficacy of new recombinant vector vaccine for IBDVs
DISCOVERIES, Issue 12: A new recombinant vector vaccine provides early protection against variant, classic and very virulent infectious bursal disease viruses, robust challenge studies demonstrate.
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QX, 793b found to be most prevalent IBV field strains in Europe
DISCOVERIES, Issue 11: Two recent studies assessed the prevalence of various IBV strains in Europe in recent years, with QX and 793b proving the most common causes of virulent disease in chickens.
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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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Z-CAS helping feed mills, producers get the most from medicated feed additives
TOOLBOX, Issue 6: An interview with Marc Howerton, Customer Analytical Services Supervisor, Zoetis
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Now more than ever, vaccination is critical for managing Salmonella in layer flocks
TOOLBOX, Issue 22: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis
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S. Heidelberg load reduced in chicks treated with acidified water the first 2 weeks of life
DISCOVERIES, Issue 9: Chicks that received acidified water for the first 2 weeks of life had a significantly reduced load of Salmonella Heidelberg, a challenge study demonstrates.
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Poulvac® Procerta™ HVT-ND provides advantages of a recombinant plus 19-day onset of immunity
Poulvac®️ Procerta™️ HVT-ND provides producers with all the advantages of a recombinant vectored vaccine while protecting chickens against Newcastle and Marek’s diseases as early as 19 days...
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Studies in 32 million birds show returns on vaccinating broilers for E. coli
DISCOVERIES, Issue 8: In studies conducted in more than 32 million broiler chickens in Italy and the US, vaccination with Poulvac® E. coli yielded a positive return on investment.
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New four-way broiler breeder vaccine builds on success of Maternavac name
TOOLBOX, Issue 20: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis
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State-of-the-art recombinant Poulvac® Procerta™ HVT-ND protects against Newcastle and Marek’s diseases
TOOLBOX, Issue 19: An interview with Abigail Reith, DVM, MAM, DACPV, Technical Services Veterinarian, Zoetis
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New Poulvac Maternavac® 4 vaccine formulated to address contemporary field challenge
DISCOVERIES, Issue 6: The rapid growth in reduced and “no antibiotics ever” production was the driving force behind development of a new vaccine to protect chickens against four costly diseases.
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Vaccination with Poulvac® E. coli yields economic benefits in broilers
DISCOVERIES, Issue 7: Vaccinating broilers against Escherichia coli yielded a favorable return on investment in a recent trial
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Poulvac® Procerta™ HVT-ND fully protects against Newcastle disease by 19 days of age
DISCOVERIES, Issue 5: Rigorous research and the application of cutting-edge technology by Zoetis scientists were behind the development of the newest recombinant vaccine to protect broilers from ...
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Return of RofenAid® 40 gives turkey industry dependable tool for managing coccidiosis, fowl cholera
TOOLBOX, Issue 21: An interview with David Rives, DVM, Technical Services Veterinarian, Zoetis
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‘Let’s keep it up’: Maintaining the efficacy of Zoamix®
TOOLBOX, Issue 15: An interview with Jon Schaeffer, DVM, PhD, Senior Director, Technical Services, US Poultry, Zoetis
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Tips for ensuring best field vaccination results with Poulvac® ST or Poulvac® E. coli
TOOLBOX, Issue 12: An interview with Lloyd Keck, DVM, ACPV, consulting veterinarian, on ensuring the best field vaccination results against Salmonella and E. coli.
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Zoetis Fast Tracking Relaunch of Avian Coryza Vaccine to Aid U.S. Disease Outbreaks
Zoetis has reintroduced the vaccine Poulvac® Coryza ABC IC3 to help U.S. poultry producers combat outbreaks of avian coryza, an acute respiratory infection.
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Advanced diagnostic tests helping identify IBV in Europe
The QX strain of infectious bronchitis virus (IBV) remains the most common variant of IBV in Europe, but the prevalence of the variant 02 strain appears to be on the increase
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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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‘Take a holistic approach’ to get the most from Salmonella vaccination
TOOLBOX, Issue 4: An interview with Marco Quiroz, DVM, Zoetis
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Selection of IBV GA 08 vaccine, proper administration can minimize reactions
TOOLBOX, Issue 10: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis
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Working with FSIS to reduce condemnations and cut losses
By Douglas L. Fulnechek, DVM Senior Technical Services Veterinarian, Zoetis
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Planning anticoccidial rotation strategies: Consider the consequences
Anticoccidial rotation strategies help reduce the health and economic impact of coccidiosis, while preserving the efficacy of the limited range of tools available for managing it.
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Cage-free hen housing: How far will the pendulum swing?
By John Brown, DVM Senior Technical Services Veterinarian, Zoetis
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Exploring the cause of condemnations can reduce losses
When carcasses are rejected at processing, all the time and money that went into production is lost. Couple that with even slight increases in the condemnation rate, and the losses really mount.
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More diagnostics advised for better IB management in broilers
By Lloyd Keck, DVM, ACPV Senior technical services veterinarian, Zoetis Inc.
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Infectious bronchitis: Containing an ever-changing disease
By Dieter Vancraeynest, DVM, PhD Zoetis
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Reports of colistin resistance prompting layer producers to rethink E. coli management
By Dieter Vancraeynest, DVM, PhD Zoetis dieter.vancraeynest@zoetis.com
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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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IBD vaccination: HVT vector vaccine or live?
By Kalen Cookson, DVM, MAM Director of clinical research Zoetis Inc.
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