Bovine viral diarrhea virus infection in a dairy herd with high prevalence of persistently infected calves
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A dairy herd including approximately 50 milking cows and 40 heifers and calves was investigated. This herd was detected with high prevalence of calves persistently infected (PI) with bovine viral diarrhea virus (BVDV). Nine PI animals including a milking cow a... ...
