How Do Hens Produce Eggs?


The process of egg production in hens is known as laying. When the hen is ready to lay the egg, part of the cloacae and oviduct are turned inside out to ensure that the egg comes out clean. The hen will then lower her bottom and the vent will widen as the rim is stretched further. A pinkish dome is formed around the egg by the membrane. Finally the egg is removed from the vent.
1 Additional Answer
Egg production in chicken is triggered by light, which stimulates the photo-receptive gland located near the eye to trigger the chicken ovary to produce eggs. The egg assembly is aided by calcium, egg yolk and water. Chicken is capable of producing eggs without fertilisation.
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