屠宰生猪胸膜炎的病原检测

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在屠宰场内,经常可以看到屠宰生猪存在不同程度的胸膜炎病变。这些胸膜上的炎症往往由胸膜肺炎病变持续感染发展而来。试验从宏观角度上统计屠宰生猪出现胸膜炎病变的发生情况,并对胸膜肺炎病变肺脏进行病原菌的分离鉴定。采用屠宰场胸膜炎评估系统(SPES),选取某集约化生猪养殖场的9个畜群,每个畜群随机抽取200份肺脏样品,进行胸膜炎的评价,并随后检测胸膜肺炎的病原菌。其中不同程度的胸膜炎病例占调查肺脏总数的52.1%。打分 SPES>1的病变肺脏比例为24.0%。从胸膜肺炎病变肺脏中分离出胸膜肺炎放线杆菌26株,副猪嗜血杆菌9株,多杀性巴氏杆菌11株和猪链球菌15株。
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