The results showed that the heritabilities both of serum AKP activity at 8-wk ( 8-SAAW ) and of egg production at 300-days ( 30G-EPD ) and their genetic correlation were 0.62, 0.20 and 0.8245, respectively.

• 结果表明；8周龄血清AKP活性遗传力为0.；62；300日龄产蛋量遗传力为0