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母牛怀孕到产牛犊需要经过多少天
更新时间: 2020-11-07 00:00:00  

母牛怀孕到产牛犊需要经过九个半月,也就是280天,有的时候会提前十几天,或者退后十几天。怀孕3个月后,食欲增强,食量加大,膘情变好,体重增加,毛色光润,初产牛能在乳房内触摸到硬块,有的母牛会表现异嗜。

关键词: 母牛 怀孕 牛犊 需要 经过 多少

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