“When you see the herds that have very high reproductive performance – like pregnancy rates of 50% -- they are doing a lot of ...

Understanding udder health during the dry period highlights the importance of providing optimal conditions for cow recovery.

研究结论和讨论部分指出，奶牛牛奶中 MDR 和 XDR MRSA 菌株的存在对公共健康构成严重威胁。mecA、ermC、ermB、tetK 和 tetM 等耐药基因与 MDR 和 XDR MRSA 菌株密切相关。seb 基因是牛奶中 MRSA 菌株最主要的肠毒素基因。coa、clfB、eno、icaA、lukF、spa、clfA 和 hla 等毒力基因是牛奶来源 MRSA ...