Dairy mastitis happens frequently in cattle farm and has brought the cattle farms large economic loss.118 bacterium were isolated from 90 samples of dairy mastitis in west of Shandong province,including 58 of streptococcus agalactiae(49.15%),25 of Escherichia coli(21.19%),23 of Staphylococcus Aureus(19.49%),12 of fungi(10.17%).

奶牛乳房炎是奶牛常见病和多发病之一,给奶牛饲养业带来了巨大的经济损失。 本试验对鲁西多个奶牛场的奶牛临床型乳房炎病原菌进行分离、鉴定,从90份样品中分离出118株细菌,经培养特性、染色镜检、生化鉴定等试验,鉴定出无乳链球菌58株,占分离菌的49.15%;大肠杆菌25株,占分离菌的21.19%;金黄色葡萄球菌23株,占分离菌的19.49%,真菌12株,占分离菌的10.17%。