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Eggs are fertilized by a rooster, hens do not need a rooster to produce an egg, they will do this with or without mating. Eggs available at the grocery store are produced by hens that never have contact with a male bird. Fresh eggs bought from a farm or roadside stand are likely to have been fertilized since most farms keep a rooster both to protect the hens and to renew stock as the hens age out each year..

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15y ago

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