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鸡蛋为什么有红皮和白皮的
更新时间: 2020-08-17 00:00:00  

鸡蛋有红皮和白皮之分的原因:

1、取决于母鸡生殖系统分泌的色素颜色;2、取决于母鸡的种类,不同品种的母鸡所含有的遗传基因不同;3、取决于母鸡平时喂养的方式和饲料的选择。

关键词: 鸡蛋 为什么

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