根据GenBank公布的牛病毒性腹泻病毒（BVDV）全基因组序列,选择保守性比较高的5＇非编码区,利用Oli-go6.0软件设计了2对特异性引物,建立......

Objective:To investigate the prevalence of bovine coronavirus (BCoV),bovine rotavirus,and bovine viral diarrhea virus in......