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Applied Test on direct Translation of Frozen Embryos of Cows
Author(s): Zhu Yulin, Zhao Junjin, Zhou Xongzhe
Pages: 20-
21
Year: 2000
Issue:
4
Journal: CHINA DAIRY CATTLE
Keyword: 奶牛; 冷冻胚胎; 直接移植;
Abstract: 直接移植法大大简化了冷冻胚胎的移植步骤,使胚胎移植的大规模推广应用成为可能.本试验采用1.61 M的乙二醇代替甘油作冷冻保护剂,共冷冻保存A、B级奶牛胚胎276枚.解冻,在10分钟内直接装枪移植给受体奶牛.其移植青年牛42,180天后确认妊娠24头,受胎率为57.14%;移植成母牛85,180天后确认妊娠37头,受胎率为43.53%.两者合计,共植受体奶牛127头,确认受胎61头,受胎率为48.03%.该胎率水平和常规甘油冷冻法50%的受胎率没有差异.试验果说明:本试验采用的直接移植法是切实可行的.
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