Affiliation: | 1.College of Animal Science and Technology, Gansu Agricultural University, No. 1 Yingmen Village Anning, Lanzhou, Gansu730070, China;2.Gansu Academy of Agricultural Science, No. 1 Agricultural Academy Village Anning, Lanzhou, Gansu 730070, China;Correspondence address. Gansu Academy of Agricultural Science, No. 1 Agricultural Academy Village Anning,Lanzhou, Gansu 730070, China. E-mail: wujp@gsagr.ac.cn |