摘要
为了解太原地区奶牛病毒性腹泻的流行情况,本研究采用牛病毒性腹泻病毒ELISA抗体检测试剂盒,对太原市不同地区的28个规模场、90个散养户及9个奶牛园区的460头奶牛的血清样品进行BVD抗体检测。结果显示:(1)各地区均有BVDV感染,阳性血清292份,平均阳性率为63.5%。其中养殖园区样品阳性率最高,为84.1%;其次为规模场,为76.7%;散养户阳性率最低,为36.0%。(2)同一养殖模式下,不同年龄段奶牛感染率相似。调查结果表明,在所调查区BVDV感染率较高,不同类牛场感染率差异较大,应采取相应措施进行防治。
To understand the prevalence of bovine viral diarrhea-mucosal disease in Taiyuan, 460 serum samples from 28 scale dairies, 90 free-range farmers and 9 cow breeding parks of Taiyuan were examined by the BVDV antibody kit. The results shows that, totally 292 positive samples were found among all the samples, and the average positive rate was 63.5%. Samples from the cow breeding parks has the highest positive rate which was 84.1%,followed by the scale dairies which was 76.7%, samples form the farmers has the lowest positive rate which was 36.0%. The result also indicate at the same raise pattern, the affect rate is similar at each raise period. Results shows that prevalence of BVD was common in Taiyuan, affect rates were remarked differences among different farms, appropriate counter measures should be taken for the diease control.
出处
《中国奶牛》
2013年第7期39-42,共4页
China Dairy Cattle
