荷斯坦牛隐性乳房炎主要病原菌的耐药性试验

孙庆华;赵宗胜;何高明

Drug Sentitive Test of the Main Pathogenic Germs Causing Holstein Subclinic Mastitis

SUN Qinghua;ZHAO Zongsheng;HE Gaoming

China Animal Husbandry & Veterinary Medicine . 2007, (2): 29 -30 .