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畜牧人

標題: 肉牛飼料微量元素和維生素需過瘤胃的嗎？ [打印本頁]
作者: 森林牧業    時間: 2010-4-20 11:59
標題: 肉牛飼料微量元素和維生素需過瘤胃的嗎？
肉牛飼料漾添加維生素A,D,E有過瘤昌胃的嗎 一定用過瘤胃的嗎 請教
作者: 矮子    時間: 2010-4-20 12:19










現在還沒人提出瘤胃保護微量元素和脂溶性維生素。



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