المؤلفون: LU Xin-lun, ZHANG Yu-mei, HU Cheng-yun, CUI Wei-bo, LIU Xue, ZHOU Ming-rong

المصدر: Chinese Journal of Veterinary Science / Zhongguo Shouyi Xuebao; oct2013, Vol. 33 Issue 10, p1595-1598, 4p