蛋黃顏色和飼料有關:飼料中米放多了就白、玉米等色素物多了就黃.

來源: 閩姑於 2013-11-03 14:35:15 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

日本人的研究:

http://www.nikkei.com/article/DGXNASFK1000P_Q3A610C1000000/

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