（五）胚胎保存 胚胎保存（embryo preservation）是指应用超 低温冷冻技术将胚胎保存起来而不丧失活力。1971 年，whittingham首次报道冷冻小鼠胚胎获得成功。
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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。
The effects of desiccation on the preservation of the somatic embryo from wine grapevine Sinsaut were studied.
以酿酒葡萄品种“神索”的体细胞胚为试验材料，研究了干化对体细胞胚的保存效应。
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