位于北京昌平百善镇的盛世富民种羊养殖基地的一只小尾寒羊种,羊怀孕后胚胎误入尾巴,技术人员剖开其尾巴顺利取出两只羊羔。目前,两只羊羔一只先天性失明,另一只健康,母羊因为尾巴上的刀口无法缝合,生产后不久就死亡。 A small-tailed sheep breed at the Shengshifumin Breeding Base in Baishan Town, Changping, Beijing. After the sheep got pregnant, the embryos strayed into the tail. The technicians cut open their tails to remove two lambs. At present, two lambs are congenitally blind and the other is healthy. The ewes cannot sew because of the knife on the tail and die shortly after production.