Separately discusses of ovary the preserved temperature,the retention time,the different raise system to the cow in vitro fertilization cleavage rate,the pouch embryo growth rate influence.

• 文章研究了卵巢的保存温度、保存时间、不同的培养液成分、培养方法等对奶牛体外受精后的卵裂率、囊胚发育率的影响。