YANG Jia-Da1, SHANG Hai-Tao2, WEI Hong2, YANG Wan-Shen1, LIU Xin3
1. Department of Biochemistry, College of Life Sciences, Sichuan Agricultural University, Ya-an 625014, China; 2. Department of Animal Science, College of Basic Medicine, Third Military Medical University, Chongqing 400038, China; 3. Department of Molecular Genetics, College of Basic Medicine, Third Military Medical University, Chongqing 400038, China