Why Are My Chickens Eating Their Own Eggs?
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Why Are My Chickens Eating Their Own Eggs?
Egg eating almost always starts by accident. An egg gets cracked in the nest, a curious hen tastes what spills out, and she learns that eggs are food. From there boredom, crowding, too few nest boxes, or a calcium or protein shortfall that produces thin, easily broken shells turn an accident into a habit. Penn State Extension and other poultry programs stress that egg eating is a learned behavior, which is why catching it early matters so much.
The Common Causes
A few conditions make accidental breakage and tasting much more likely:
Thin shells are a big one. When hens are short on calcium, or not getting enough protein, they lay eggs with weak shells that crack at the slightest bump. Crowding plays a role too, since stressed, overcrowded hens may lay soft-shelled eggs and jostle each other in the nest. Too few nest boxes, thin bedding, and eggs left sitting all day add up to more breakage and more opportunity to taste. Plain boredom does the rest, giving idle hens a reason to peck at anything interesting.
How the Habit Spreads
Chickens learn by watching. Once one hen discovers that pecking an egg yields a meal, others see her do it and copy the behavior. A single egg eater can quickly teach the whole flock, which is exactly why you want to interrupt it fast rather than wait and hope it stops on its own.
Prevention and Fixes
The good news is that this habit responds well to a few practical changes:
Collect eggs often, ideally early in the day and more than once if you can, since most hens lay before mid-morning. Add nest boxes so hens are not crowding one box, and keep them generously bedded with soft straw or shavings to cushion eggs. Make the boxes dark and tucked away, since hens are less inclined to fuss with eggs they cannot easily see. Offer free-choice oyster shell for calcium and feed a quality layer ration with adequate protein so shells stay strong. Ease crowding and boredom by giving the flock room, things to peck, and time to forage. And whenever an egg does break, remove it and clean up immediately before anyone develops a taste.
Catch It Early
Egg eating is far easier to prevent than to cure, so it is worth setting up nests and feeding right from the start. A balanced, year-round diet does double duty here. See what to feed your backyard flock year-round in California, and if your egg count has dropped for other reasons, our guide on why your chickens stopped laying eggs can help.
