This experiment studied the effects of ova pick-up methods, bFF,culture period and different culture systems on in vitro maturation of Nanyang cattle oocytes derived from small antral follicles.

• 探讨了不同采集方法、牛卵泡液(bFF)添加浓度、培养时间和不同培养体系对南阳牛小腔卵泡卵母细胞体外成熟的影响。