Results: The difference of IVM rate of different tite groups isn t significant and the occytes of 100 TCID50 group had t ultrastructure abnormality.

• 结果各组的卵母细胞生发泡破裂率和第一极体的释放率差异无显著性,100TCID50组未出现卵母细胞超微结构异常。