The double-embryo transfer can improve the lambing rate of the recipients. 移植双胚可以提高受体的产羔率。
After embryo transfer, the pregnancy and lambing rates within vitrification group were higher than that of slow freezing group. 将冷冻解冻后的绵羊囊胚移植后,玻璃化冷冻组的怀孕率和产羔率明显高于慢速冷冻法的。