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首页> 外文期刊>Journal of the American Veterinary Medical Association >Comparison of single vaccination versus revaccination with a modified-live virus vaccine containing bovine herpesvirus-1, bovine viral diarrhea virus (types 1a and 2a), parainfluenza type 3 virus, and bovine respiratory syncytial virus in the prevention of bovine respiratory disease in cattle.
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Comparison of single vaccination versus revaccination with a modified-live virus vaccine containing bovine herpesvirus-1, bovine viral diarrhea virus (types 1a and 2a), parainfluenza type 3 virus, and bovine respiratory syncytial virus in the prevention of bovine respiratory disease in cattle.

机译:含有牛疱疹病毒-1,牛病毒性腹泻病毒(1a和2a型),副流感3型病毒和牛呼吸道合胞病毒的改良活病毒疫苗在预防牛牛呼吸道疾病中的单次接种与再接种比较。

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摘要

To compare effects of administration of a modified-live respiratory virus vaccine once with administration of the same vaccine twice on the health and performance of cattle. Design-Randomized, controlled trial. Animals-612 mixed-breed male cattle with unknown health histories. Procedures-Cattle were randomly assigned to 1 of 2 treatment groups (single vaccination treatment group [SVAC group] vs revaccination treatment group [REVAC group]) during the preconditioning phase of production. All cattle were given a modified-live respiratory virus vaccine. Eleven days later, REVAC group cattle received a second injection of the same vaccine. During the finishing phase of production, cattle from each treatment group were either vaccinated a third time with the modified-live respiratory virus vaccine or given no vaccine.
机译:为了比较一次接种改良活呼吸道病毒疫苗和两次接种相同疫苗对牛健康和性能的影响。设计随机化,对照试验。 Animals-612未知历史的混种公牛。在生产的预处理阶段,将过程牛随机分配到2个治疗组中的1个中(单个疫苗接种治疗组[SVAC组]与再接种治疗组[REVAC组])。所有牛都接种了改良的呼吸道活病毒疫苗。 11天后,REVAC组的牛再次接种了相同的疫苗。在生产的最后阶段,每个治疗组的牛都接受了改良活呼吸道病毒疫苗的第三次疫苗接种或未接种疫苗。

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