In vitro mature (IVM) rate and pathenogetic activation rate ofporcine oocytes, at present, are still low, which become a barrier to progress in research ofporcine embryonic engineering.

• 但是现有猪卵母细胞体外成熟体系成熟率较低，孤雌激活率和激活质量也较差，制约猪胚胎工程进一步研究。