Twelve quarters of six lactating cows were inoculated with Mycoplasma leachii strain GN407 through intramammary ductal i......

Leachii支原体最初由Simmons等于1963年在澳大利亚患多发性关节炎犊牛的关节液内分离获得,代表菌株为PG50[1]。之后,该病原菌陆续......