[Antimicrobial resistance profiles and genetic diversity of bovine staphylococcus aureus isolated in 5 provinces of China in 2013].

The drug resistance of staphylococcus aureus isolates associated with lactating cows of 5 provinces in China is serious, especially the isolates collected from artels. A few specialized clones were responsible for most of the cases of bovine mastitis in a single herd and some clones might have a broad geographic distribution.