唐山地区奶牛子宫内膜炎发病情况调查

The Study of Epidemiology and Synthetic Control of Cow Endometritis inTangshan Area

本试验在唐山7个地区奶牛场进行了奶牛子宫内膜炎发病情况调查,数据表明唐山地区奶牛子宫内膜炎的平均发生率为21.25%。对42份子宫内膜炎患牛的子宫洗出液样品进行病原菌分离、鉴定,分离出7种细菌共计141株菌株。对所有分离株进行9种药物的敏感性试验,结果表明,病原菌对庆大霉素、氟苯尼考、环丙沙星、卡那霉素敏感。

Dairy endometritis happens frequently in cattle farms and has brought large economic loss to dairy industry. The test was to study the epidemiology of cow endometritis. The results of investigation were as follows: the average occurrence rate of cow endometritis was 21.25% in Tangshan. By the isolation and identification of the pathogenic bacteria, totally 7 kinds and 141 strains of bacteria were isolated from the 42 milk samples. The drug sensitivity tests were carried out for the isolated pathogens in vitro, results showed that drugs of the most sensitive effect to the pathogen were florfenicol, ciprofloxacin and kanamycin.