Citas bibligráficas
Nuñez, G., (2017). Evaluacion de la eficacia de un programa de vacunación contra el virus de la enfermedad de Newcastle frente al desafío de una cepa velogénica de campo [Tesis, Universidad Privada Antenor Orrego - UPAO]. https://hdl.handle.net/20.500.12759/2428
Nuñez, G., Evaluacion de la eficacia de un programa de vacunación contra el virus de la enfermedad de Newcastle frente al desafío de una cepa velogénica de campo [Tesis]. : Universidad Privada Antenor Orrego - UPAO; 2017. https://hdl.handle.net/20.500.12759/2428
@misc{renati/375914,
title = "Evaluacion de la eficacia de un programa de vacunación contra el virus de la enfermedad de Newcastle frente al desafío de una cepa velogénica de campo",
author = "Nuñez Rodriguez, Gustavo Delfin",
publisher = "Universidad Privada Antenor Orrego - UPAO",
year = "2017"
}
The present study was performed in the laboratory of the Universidad Nacional Mayor de San Marcos, Lima; conducted to evaluate the effectiveness of a vaccination program against the virus of Newcastle disease, were used 2 live vacinnes and 1 inactivated vaccine against facing the challenge of velogenic strain field in 90 chickens Ross, they were distributed into three treatments of 30 birds. Treatment A vaccinated and challenged birds (experimental group), treatment B vaccinated no challenged birds (negative control), and treatment C was not vaccinated and was challenged (positive control). The treatments A and C were challenged at the age of 25 days, with a virus inoculum velogenico Newcastle disease. Clinical signs, mortality and serology compatible with the disease were evaluated pre and post challenge, conjunctivitis (63) depression (67%), hoarseness (30%), greenish diarrhea (66%), paralysis (20%), nervous ticks (17%), stiff neck (7%). Regarding to mortality, treatment A showed 50% of death compared to 77% of treatment C. Regarding to serologycal parameters was observed that there was an important difference between the titles average of treatment A (6986.67) compared to treatmen C (12316.60) post challenged. In conclusión the antibody protective titles of a vaccination program provided by 2 live vaccines and 1 inactivated vaccine they were not effective against the Newcastle disease virus.
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