畜牧与饲料科学 ›› 2013, Vol. 34 ›› Issue (4): 7-7.doi: 10.12160/j.issn.1672-5190.2013.04.004
英若忠[1] 颜国华[2] 杨隽[2]
YING Ruo-zhong,YAN Guo-hua,YANG Jun(Shuguang Farm Animal Husbandry Department of Huanan County of Heilongjiang Province, Jiamusi 154003 ,China;College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China)