- Nov 3, 2014
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There are many natural pigments other than just marigold which can color yolks. Marigold imparts a yellow color; other pigments that contribute red coloring will help to make the yokes more orange. As many of you have discovered, the time of year and the types of plants your free-ranging birds forage on can greatly impact the color of the yolks. There is also individual variation in how much pigment any given bird will transfer to the yolk of her eggs, so you sometimes may see differences in yolk color, even among bords being fed the same feed. Parasites and disease can impact absorption of pigments, just as they can absorption of nutrients. Interestingly enough, in Europe people favor pale yolks.