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Poultry vaccines
Disease prevention by vaccination is an integral part of flock health management protocols. Active immunization using live vaccines is the current industry standard. Routinely used vaccines in chickens include MDV, NDV, IBV, and IBDV, and in turkeys NDV and HEV. Newer vaccines, including molecular recombinants in which genes of immunogenic proteins from infectious agents are inserted into a live viral vector, are also being examined for commercial use. Efforts are under way to enhance vaccine efficacy by the use of adjuvants, particularly cytokines. The vaccine delivery systems include in ovo injection, aerosol, spray, drinking water, eye drop, and wing web injection. The in ovo vaccination procedure is relatively new and at the present time it is used primarily to vaccinate broiler chickens against MDV. Birds respond to vaccines by developing humoral and cellular immune responses. There are two main types of vaccine available for poultry: live or killed.
INTRODUCTION
Fowl cholera is a cosmopolitan disease that affects all kinds of birds but often occurs in chickens and turkeys reared under intensive farming conditions (7). In Argentina, fowl cholera outbreaks are important in broiler breeders. The disease takes place as an acute fatal disease or most commonly, as a chronic infection. Vaccination should be considered in areas where fowl cholera is prevalent using either available bacterins and/or live vaccines, but...
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Elise Myers (MSD) spoke on the evolution of vaccines and tolerance of anticoccidials, among other topics, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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FIGAP 2026: The Scientific And Technological Exhibition Of The Livestock Industry
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Fiona Tomley (Royal Veterinary College) and Doug Korver joined Elizabeth Santin and Ricardo Hayashi to share their insights on Coccidiosis challenges, poultry immunity and vaccination, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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Introduction Coccidiosis is a major global veterinary health problem impacting on the production of domesticated sheep, cattle, poultry and even fish. It is a particularly problematic disease in chickens (due to their intense rearing conditions), costing the industry £38 million per year in the UK alone and, extrapolating from this, over 2 billion US dollars to the world’s farmers and poultry industries annually [1]. It is caused by various species of the genus,...
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Will New Version of GMP Boost the Veterinary Drugs Industry?
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Alan Young (Medgene Labs) spoke on outbreak responses, as well as vaccination programs and development, during 2019 NIAA Annual Conference: Animal Agriculture - Innovation, Technology and Consumer Engagement in Des Moines, Iowa, USA....
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Sarah Tomlinson (USDA) gave an overview of the process, during 2019 NIAA Annual Conference: Animal Agriculture - Innovation, Technology and Consumer Engagement in Des Moines, Iowa, USA....
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Patti J. Miller, Veterinary Medical Officer at the Southeast Poultry Research Laboratory (USDA), presented her research on Newcastle disease virus, clinical signs, strains and vaccines, during ANECA 2017....
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Dino Garcez (DSM), Elise Myers (MSD), Jesus Rubio (Hipra), Tobias Fernandes Filho (Boehringer-Ingelheim), Deyse Galle (Elanco), Giankleber Diniz (Ceva) and Eduardo Muniz (Zoetis) discussed solutions and initiatives taken in the poultry industry, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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The natural creatine precursor Guanidinoacetic acid (GAA): GuanAMINO®
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Christi Swaggerty (USDA) talked about Eimeria infection, vaccines and nutrition, among other aspects, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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I would be grateful if you comment on
1- What is the reason behind a short persistent immunity? I, sometimes, face a short period of immunity following vaccination by NDV clone 30 and Ma 5 vaccine in parent breeder during laying. What do you advise me to review?
2- What causes the interference of mild field challenge during vaccination? ...
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Johan Van Erum (Galluvet) discussed live Coccidiosis vaccination, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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Udi Ashash (Director of Global Technical Services, Phibro Vaccines) explained the effect of migratory birds, and gave recommendations on eradication and vaccination, during the Avian Influenza International Seminar 2017 in Buenos Aires, Argentina....
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Damer Blake (Royal Veterinary College) talked about the benefit of additional antigens in the development of vaccines using Eimeria as a vector, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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I would be grateful if you tell me 1- The duration of immunity that NDV and IB live vaccine given in parent breeder 2-Sometimes I encounter by low NDV and IB persistence of immunity. What are the reasons? I would be thankful if there is a reference 3-I vaccinated my flock with Ma5 and clone 3 when I conducted Elisa to check the success of vaccination I found the titre of NDV is high. What is the reason behind that?
Thanks and regards. ...
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Abstract
The devastating outbreaks of Ranikhet disease from time to time and consequent loses incurred by broiler industry made its way to be included into the list A diseases of OIE long back. A cost-effective preventive measure to avoid this calamity depends on the affordability of the marginal farmers rather than the intensive poultry production units, therefore preparation of cheaper vaccine with sufficient protective efficiency is the need of the hour. It has...
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Fiona Tomley (Royal Veterinary College) talked about several aspects regarding vaccination, including evaluation of genotypes and antigens, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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Srinivasa Farms and Hy-Line: Pioneering Growth in India’s Poultry Market
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Ricardo Rauber (BRF, Brazil) talked about the disease's control programs in the field, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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Can the Mg ts-11 vaccine cross-protect against mycoplasma synoviae? ...
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Technical Advances in Vitamin Physical Properties and Premix Performance
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Doug Korver (University of Alberta) spoke on poultry diets, performance and immunity, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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What are the reasons that render a flock response to a combination of Ma5 plus clone 30 is 1- Good for ND --Elisa : Mean titre , CV %,Minim titre , Max titre all are good 2-IB --Elisa Mean titre, CV %, Maxim titre all are good but the minim titre did not equal to half of the mean titre. What is the corrective action in this case? ...
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