山西省部分猪场猪传染性胸膜肺炎血清学检测分析

Serological Detection and Analysis of Contagious Swine Pleuropneumonia in Some Pig Farms in Shanxi Province

[目的]掌握山西省猪传染性胸膜肺炎感染情况,为防控该病提供参考依据。[方法]用Apx IV-ELISA抗体检测试剂盒,对山西省11个市46个猪场851份猪血清进行猪胸膜肺炎放线杆菌Apx IV抗体血清学检测分析。[结果]山西省猪胸膜肺炎放线杆菌抗体平均阳性率为57.11%;11个市猪场均有不同程度感染,感染率较高的是大同市、朔州市、忻州市,分别达到84.44%、83.75%和83.33%,临汾市感染率相对较低,为16.67%;母猪群体感染率最高,育肥猪次之,仔猪感染率最低;规模猪场感染率明显高于散养户感染。[结论]猪传染性胸膜肺炎感染在山西省较为普遍,特别是母猪群阳性率达到74.60%,处在一个相对较高水平。

[Objective] To understand contagious swine pleuropneumonia infection in Shanxi province and provide reference for its prevention and control. [Methods] 851 serum samples were collected from pig farms during January to June, 2015 in l l cities of Shanxi province for detection of ApxIV antibodies against Actinobacillus pleuropneumoniae suis with ApxlV-ELISA antibody test kits. [Results] The average positive rate of antibodies against Actinobaeillus pleuropneumoniae suis in Shanxi province was 57.11%% with different degrees of infection in the 11 cities： higher infection rates .in Datong, Shuozhou and Xinzhou cities（84.44%, 83.75% and 83.33% respectively）and lower infection rate in Linfen city（16.67%）. Sows had the highest infection rate（ 74.6% ）followed by fattening pigs（ 56.32% ）and piglets （42.05%）. The infection rate in scale pig farms（ 63.31% ）was significantly higher than in free-ranging pig farms（45.42% ）. [Conclusion] Contagious swine pleuropneumonia was widespread in Shanxi province with relatively high level.