both programmed freezing method and vitrification method were available in cryopreservation of porcine gv stage oocytes. however, they yielded different survival rates (30.0% and 59.7%, p0.05).
用程序化法和玻璃化法冷冻猪gv期卵母细胞,两组的冻后存活率分别为30.0%和59.7%,差异显着(p<0.05);