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畜牧人

標題: 蛋雞開產晚怎么回事 [打印本頁]
作者: shiwenhua    時間: 2011-4-22 20:38
標題: 蛋雞開產晚怎么回事
4月22號145天海蘭灰一天產10來個蛋
作者: 2169217    時間: 2011-4-22 20:43
和青年雞發育情況，光照制度，飼料營養水平等等有關。
作者: 基層工作者    時間: 2011-4-22 20:48
看雞群整齊度，體重，雞冠發育情況，換羽情況再加上沙發的建議，基本可以了



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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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