Antimicrobial dry cow therapy (DCT) is an important component of mastitis control programs aimed to eliminate existing intramammary infections and prevent the development of new ones during the dry pe
In 2020, a calf diarrhea outbreak occurred at a cattle farm located in Qiqihar City, Heilongjiang Province, China, fecal samples or anal swabs were collected from calves. The fecal samples were dilute