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通过活体采卵(OPU)的方法来进行牛体外胚胎生产的研究 被引量:5

A study of cow's embryo production in vitro by collecting ovum in living body
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摘要  近年来,体外胚胎生产的技术日益提高,尤其是在牛上应用比较广泛,在 1988 年由体外生产的胚胎最后可移植到受体的数目达到 30 000 枚。靠超声波引导从活体上采集卵母细胞 (OPU) 进行体外胚胎的生产的方法现在被广泛采用,这种方法可以使活体持续性的生产胚胎,大大地提高了繁殖效率。且活体采卵是一项非常灵活、方便的技术,通常 1 周可以采集 2 次,连续许多周,都不影响供体的繁殖潜力。通常依靠活体采卵的方法 (OPU) 所获得的平均每 8~10 个卵母细胞中就可生产出 2 枚可移植的胚胎,从而提高了胚胎的生产效率,缩短了世代间隔。而且用活体采卵的方法 (OPU) 所生产的胚胎质量也要好于屠宰的卵巢上所获得的卵母细胞生产的胚胎,目前,这种方法除在牛上应用外,也在其它动物如水牛、马上采用。
出处 《现代畜牧兽医》 2005年第2期44-46,共3页 Modern Journal of Animal Husbandry and Veterinary Medicine
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