山西某规模化育肥场猪链球菌血清2型诊断
Animals Breeding and Feed（2022）
Abstract
山西省某规模化育肥场50日龄仔猪连续以败血症死亡,疑似链球菌感染.为了解猪链球菌血清2型的感染情况,筛选出敏感药物,将疑似链球菌感染的病猪(n=10)抗凝全血进行细菌分离、革兰氏染色、毒力基因PCR鉴定及药敏试验,为该病的临床诊疗提供新思路和用药参考.结果显示,6例全血分离出疑似革兰氏阳性链球菌的菌株,5例疑似菌经PCR扩增后初步诊断为猪链球菌血清2型.5例猪链球菌血清2型分离株对恩诺沙星、大观霉素、头孢曲松钠中度敏感,对庆大霉素、丁胺卡那霉素、替米考星、链霉素、阿莫西林均耐药.
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