Affiliation: | 1. Inner Mongolia Key Laboratory of Animal Genetics, Breeding and Reproduction, Department of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China.; 2. College of Life Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China.; 3. Vocational and technical college, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China.; Virginia Commonwealth University, United States of America, |