规模场牛病毒性腹泻病的净化技术探讨——以武威市古浪县某规模养殖场为例

The Discussion on Purification Technology of Bovine Viral Diarrhea Disease in a Dairy Farm of Gulang County

摘要:

本研究主要在武威市古浪县某规模奶牛养殖场开展了牛病毒性腹泻病（bovine viral diarrhea，BVD）的净化，通过20个月2次全群抗原检测和6次10%比例抽检加之疫苗免疫及抗体效价监测的手段，最终将该场BVD阳性率由13.30%降低到0%，取得了较好的净化成效。

Abstract:

The research carried out purification technology of bovine viral diarrhea disease in a dairy farm of Gulang County. In the last 20 months, we detected the antigen of whole group 2 times and 10% spot check 6 times with vaccine immunization and antibody titer monitoring method to make the positive rate decreased from 13.30% to 0%.