These results indicate that BFF has a significantly inhibitory effect on the in vitro fertilization of bovine oocytes, but the thecal cell conditioned medium can improve the fertilization quality of bovine oocytes.

• 这些结果表明：BFF对牛卵母细胞的体外受精具抑制作用，而内膜细胞的条件液则具促进效应。