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畜牧人

標題: 肉種公雞營養需要 [打印本頁]
作者: zhangjiuhong    時間: 2010-12-11 13:18
標題: 肉種公雞營養需要
目前AA+公雞受精率高峰低，維持時間短，雞群很活躍，胸肌結實，骨架很好，精子活力很好，交配次數少，成功率不高，如何從營養上調節？
作者: 朱習春    時間: 2010-12-11 13:33
按AA種公雞營養標準95%設計，掌握好原料質量



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亚洲日韩精品无码专区网站_亚洲日本一区二区_亚洲Av无码专区国产乱码DVD_亚洲精品永久在线观看 
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