新疆地区生猪高致病性猪蓝耳病病原学监测与分析

Etiology Monitoring and Analysis Of Highly Pathogenic Blue- eared Pig Disease in Xinjiang Area

【目的】了解近几年新疆高致病性猪蓝耳病疫病发生情况和流行趋势。【方法】对生猪高致病性猪蓝耳病疫病进行摸底调查,选择规模养猪场、散养户和屠宰场随机采样,共采集848个场点的血清样品6 687份,组织样品6 181份,用RT-PCR方法进行高致病性蓝耳病病原学检测。【结果】发生高致病性猪蓝耳病疫情时,规模猪场阳性检出率为4.32%;散养户阳性检出率为6.4%;屠宰场阳性检出率为3.33%;总的平均阳性率为0.65%。【结论】散养户的高致病性蓝耳病病原学阳性率高于规模猪场,屠宰场也存在隐性感染。总之,高致病性猪蓝耳病病原学阳性率呈现逐年下降趋势。

[Objective] In order to know the occurrence and epidemic trend of Highly Pathogenic Blue-eared pig disease in recent years in Xinjiang area.[Method] Highly Pathogenic Blue-ered Pig disease in Xinjiang area was survey and choosen in the commercial pig farms,free-range farmers,slaughter House,and collected random samples.6687 samples of swine serum and 6181 samples were collected in 848 sites,and adopted the etiology method of RT-PCR to test.[Result] The result showed that when the HPRRSV occur,the positive rate of commercial pig farms was 4.32%,and free-range farmers was 6.4%,and slaughter house was 3.33%,and the total average positive rate was 0.65%.[Conclusion] The occurrence in free-range farmers of Highly Pathogenic Blue-eared pig disease was higher in commercial pig farms,and exist contact infection in slaughter house.Generally speaking,the incidence of Highly Pathogenic Blue-eared pig disease decline steadily year by year.