经统计分析，早期囊胚的存活率极显著高于桑椹胚（P＜0.01）。

The survival rats of early blastocyst groups were significantly higher than the morula groups (P<0.01).

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小鼠孤雌胚的桑椹胚率乙醇加饲养层组最高80.38 %；

Mice morula rate of parthenogenetic embryos in ethanol plus feeder cells group was highest 80.38%;

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