本研究用犊牛睾丸细胞及MDBK细胞从我国内蒙古自治区达拉特旗发病的进口小尾寒羊唇病理痂块中分离到一株病毒，并对其进行连续传代至病变稳定。
From the scab of the sick sheep , one strain of virus was isolated using Bovine Testicle cell and MDBK cell, then, it was not taken cell passaged until the CPE is order .
尽管程序很简单，20多亩实验区，几十个育种大棚，成千上万株植物都要一株株地操作过来，工作量相当大。
Although the program is very simple, the experimental area of 20 MU, dozens of breeding shed, and tens of thousands of plants are facing operation over a considerable workload.
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