纯种牛
Based on the current situation of embryo transfer in Guizhou province, 7 donor cows of purebred Simmental cattle and 46 recipient cows of crossbreds were used for synchronized estrous and super ovulation to obtain 59 fresh whole embryos and 32 double half embryos.
本试验结合我省胚胎移植的现状,用7头纯种西门塔尔牛作供体,46头杂交牛作受体,进行同期发情和超数排卵,获得鲜整胚59枚,双半胚32枚;
The intensive fattening trial was conducted for the F1 crossbreds of Angus and Zhaotong cattle and purebred Zhaotong cattle to test the crossbreeding effects.
为比较安格斯牛和昭通牛的杂交效果,进行了安昭牛F1代和昭通牛的短期育肥研究。
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