黑龙江省东部地区猪蓝耳病流行检测分析

Prevalence and Detection of Porcine Reproductive and Respiratory Syndrome in Eastern Regions of Heilongjiang Province

为了解黑龙江省东部地区猪蓝耳病(PRRS)的流行情况,从黑龙江省东部地区的牡丹江市、宁安市、海林市、绥芬河市、鸡西市、鸡东市、佳木斯市、密山市、虎林等地,共采集猪血清样本663份。采样猪群包括公猪、母猪、仔猪、育肥猪。采集的猪场包括规模化猪场、小规模的猪场及散养户。应用ELISA方法对该省东部地区猪蓝耳病的流行情况进行血清学调查,结果显示:663份血清中,其中,134头为阳性,阳性率为20.21%;529头为阴性,阴性率为79.79%;S/P值大于2.0的26头,占总阳性比率的19.40%。

In order to understand the prevalence of porcine reproductive and respiratory syndrome （PRRS） in eastern regions of Heilongjiang Province, 663 samples of porcine serum were collected from Mudanjiang City, Ning′an City, Hailin City, Suifenhe City, Jixi City, Jidong City, Jiamusi City, Mishan City, Hulin and other eastern regions of Heilongjiang Province. And the serum samples were from boar, sow, piglets and fattening pigs. And the pig farms included large-scale pig farms, small-scale pig farms and scatter-fed household. The serological investigation on the prevalence of PRRS in eastern regions of Heilongjiang Province was made by using ELISA. The results showed that the detection results of serum samples from 134 pigs were positive among 663 serum samples and the positive rate reached 20.21%.529 pigs were negative and the negative rate was 79.79%.S/P ratio of 26 pigs was more than 2.0, which took 19.40%of total positive ratio.