Meantime, the concrete measures were elicited for bull selection, making and preservation of frozen semen, mating methods and frozen embryo pool establishment etc.
同时，从种牛选择，冻精制作与保存、选配方法、建立冷冻胚胎库等方面提出了具体技术措施。
Meantime, the concrete measures were elicited for bull selection, making and preservation of frozen semen, mating methods and frozen embryo pool establishment etc.
同时，从种牛选择，冻精制作与保存、选配方法、建立冷冻胚胎库等方面提出了具体技术措施。
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