虽然蛋壳颜色具有较高的遗传力，受多个基因共同调控，但是饲料营养素也可以影响蛋壳颜色。

Although the eggshell color is a property with a high heritability and controlled by multiple genes, feed nutrients can influence eggshell color.

youdao

不同鸟类蛋壳的颜色千差万别，鸡蛋是纯白色，知更鸟蛋是蓝色，其它蛋壳的颜色迥异：有条纹的、有斑点的、亮色的、淡色的或者是介于之间的。

Depending on the species, bird eggs can be any color ranging from chicken's plain white to a robin's blue, streaked, spotted, bright, pale, and anything in between.

youdao

与普通玉米相比，在日粮中使用优质蛋白玉米可提高鸡蛋的蛋黄颜色评分（P<0.1），不会降低鸡蛋的哈夫单位和蛋壳强度（P>0.1）。

The egg yolk color is improved by replacing NC with QPM equally(P<0.1), but Haugh unit score and eggshell strength are not improved(P>0.1).

youdao