添加不同水平苜蓿对奶牛生产性能及经济效益的影响

阎旭东,徐玉鹏,王俊萍,岳明强,冀建军

Effects of Alfalfa at Different Levels on Production Performance and Economic Benefit of Cows

畜牧与饲料科学 . 2010, (3): 38 -38 . DOI: 10.12160/j.issn.1672-5190.2010.03.016