奶牛隐性乳房炎病原菌的分离鉴定及药敏试验

Isolation and identification of the pathogenic bacteria of cow recessive mastitis and it's drug sensitivity test

试验对河北省某奶牛场采集的70份奶样进行了病原菌的分离培养及生化鉴定,并对主要病原菌进行药敏试验,结果表明:共分离到10种91株细菌,其中葡萄球菌、链球菌、大肠杆菌为主要病原菌,占91.21%(83/91);主要致病菌对头孢氨苄、新霉素、红霉素、盐酸克林霉素、林可霉素、氨苄青霉素等6种药物敏感。

The pathogens of seventy milk samples from dairy cows with mastitis was isolated ,biochemical indentified and pharmacosensitive test.h showed that there were ninety-one strains,ten species which the incidence of staphylococcus aureus, streptococcus uberis and Escherichia coli was 91.21%（83 divided by 91）;the drugs of the most sensitive effect to pathogenic bacteria were cefalexin, neomycin, erythromycin, clindymycin hydrochloride, lincomycin, ampicillin.