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畜牧人

標題: 奶牛母乳量的營養問題 [打印本頁]
作者: zhbq17    時間: 2010-4-18 13:27
標題: 奶牛母乳量的營養問題
在配制奶牛泌乳高峰期精料時，在成本限制情況下，是優先考慮產奶凈能還是氨基酸的滿足？
期待高人的指導
作者: liyan123456    時間: 2010-4-18 14:07
產奶凈能是首先要的



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