LaboratoryofMolecularBiologyandAnimalBreeding;
CollegeofAnimalScienceandTechnology;
HuazhongAgriculturalUniversity;
Wuhan430070;
PR.China;
DepartmentofAnimalScienceandTechnology;
YangzhouUniversity;
Yangzhou225009;
P.R.China;
DepartmentofAnimalHusbandryandVeterinary;
Collegeof;
4gricultureandAnimalHusbandry;
TibetanUniversity;
Linzhi860000;
P.R.China;