State Key Laboratory of Animal Nutrition;
College of Animal Science and Technology;
China Agricultural University;
Beijing;
100193;
China;
Key Laboratory of Animal Gene Breeding and Reproductivity;
National Engineering Laboratory of Animal Breeding;
College of Animal Science and Technology;
China Agricultural University;
Beijing;
100193;
China;
Beijing Dafa Chia Tai Co.Ltd.;
Beijing;
101206;
China;
Sichuan New Hope Liuhe Co.Ltd;
Chengdu;
610100;
China;