苜蓿青干草替代部分精料对奶牛生产性能及经济效益的影响
刘艳娜,史莹华,严学兵,王成章,梁明根,周路
Effect of alfalfa hay substituting for part of the concentrate, on the production of cows and economic profit
LIU Yan-na,SHI Ying-hua, YAN Xue-bing, WANG Cheng-zhang, LIANG Ming-gen, ZHOU Lu
草业学报
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2013, (6): 190
-197
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DOI: 10.11686/cyxb20130624
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