1. School of Life Sciences, Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
2. Department of Blood Transfusion, The Affiliated Hospital of Yangzhou University, Yangzhou, Jiangsu 225001, P.R. China
3. School of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
4. National Germplasm Resource Center for Domestic Animals, Institute of Beijing Animal and Veterinary Science, Chinese Academy of Agricultural Science, Beijing 100193, P.R. China