The general heritability in the broad sense for 11 traits including CRE,CRL and HRL were in the range of 67%87%. The general heritability in the narrow sense for CRE, CRL and HRL were 46.9%,64.85% and 74.55% respectively.

• CRE、CRL、HRL等11个性状的广义遗传率在67%25~87%25之间；CRE、CRL、HRL的狭义遗传率分别为46.；9%25、64