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鸡一次下多少个蛋
更新时间: 2020-09-26 00:00:00  

1、鸡一次只能下一个蛋;

2、母鸡能每隔25小时左右排卵一次,只有左侧卵巢和输卵管发育,受精卵排出母鸡体外后未达到孵化临界程度会暂停发育;

3、母鸡在孵卵时靠自己的体温使受精卵继续分裂,逐渐发育成胚胎,大约经过21天左右,小鸡就出壳了。

关键词: 多少

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