羔羊小反刍兽疫和羊痘疫苗同步免疫效果试验
Henan journal of animal husbandry and veterinary medicine(2020)
Abstract
小反刍兽疫、羊痘同步免疫是将小反刍兽疫活疫苗和羊痘活疫苗在羊体不同部位同时免疫的一种方法,少数动物防疫员在春、秋季集中免疫时为了节省时间、加快防疫进度,在小范围内探讨性使用.
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