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Effect of Expanded Mixed Feed on Milking Performance, DMI and Appearance Digestibility of Nutrition in Dairy Cow of Last Lactation Period
孙国荣 薛惠琴 杭怡琼 吕玉华 卢永红 王仕平 袁耀明 黄建忠 钱一文 巴志刚
Chinese Agricultural Science Bulletin . 2011, (1): 346 -350 .  DOI: 10.11924/j.issn.1000-6850.2010-2016