畜牧与饲料科学 ›› 2013, Vol. 34 ›› Issue (10): 3-3.doi: 10.12160/j.issn.1672-5190.2013.10.003
丁磊[1,2];李毅[1];马力[2];鲁延芳[2]
DING Eel, LI Yi, MA LiE, LU Yan-fang2Gansu Agricultural University,Lanzhou 730070,China;2.Zhangye Academy of Forestry in Gansu Province,Zhangye 734000, China)