ACTA VETERINARIA ET ZOOTECHNICA SINICA ›› 2014, Vol. 45 ›› Issue (4): 672-678.doi: 10.11843/j.issn.0366-6964.2014.04.024
WANG Zi-li1,2,HE Ting-zhen1,ZHANG Zhu1,WANG Chen-chao1,WANG Ming-zhou1,TU Jun-ping1,Selma Shilongo1,ZHANG Jia-hua1,BIE Ying-tang2