In other words, two healthy hens can produce eggs with completely different coloured yolks.
Farmers can also influence yolk colour through the feed they provide, so a darker yolk doesn’t automatically mean the hen was healthier, happier, or raised under better conditions.
What Can Yolk Colour Actually Tell You?
Yolk colour can provide clues about the pigments present in a hen’s diet, but it isn’t a complete measure of the animal’s health or welfare.
Other factors—including nutrition, living conditions, veterinary care, and overall health—are far more relevant when assessing how well a hen is doing.
The Puzzle Answer
For the purposes of this visual puzzle, egg number 3 is the intended answer because it has the deepest orange yolk.
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