How Do Chickens Produce Eggs?

The egg laying process for begins in the eye, a light cue stimulates a photo-receptive gland near the chicken's eye, which in turn triggers the release of an egg cell from the chicken's ovary. Several processes happen almost at once: The chicken also releases a small disk of material which surrounds the egg cell and provides nutrition, The chicken's uterus is filled with albumen, which we call egg whites, while a membrane forms around the inside uterine wall, which seals in the egg cell, yolk and albumen. finally a mixture of water, salt and calcium surround this membrane and form what eventually becomes a shell. When the hen is ready to lay eggs, the walls of the uterus contract ina n effort to expel the egg.