Up to 50 percent of pregnancy losses in dairy cattle are associated with diseases such as IBR, BVDV and leptospirosis. Visible symptoms are not always obvious, yet these diseases remain a large threat ...

Extracts of plants (38) and marine sponges (12) have demonstrated antiviral activity in vitro against human and animal rotavirus. The bovine viral diarrhoea virus (BVDV) is a significant agent of ...

当它破坏呼吸道黏膜屏障后，牛体极易继发巴氏杆菌、曼氏杆菌、BVDV、IBRV 等感染，进一步加重病情。除了呼吸道和乳房感染，牛支原体还可引发 ...