Chickens reproduce via sexual reproduction: a rooster mates with a hen, who then lays a fertilized egg.

Will chickens reproduce on their own?

Breeding chickens naturally is a good way to increase the numbers in your flock. ... Still, for others, breeding chickens on their own is just part of the agrarian experience and one that is not so hard to do, especially if you have a broody hen. Some hens go broody without any help and choose to sit on the eggs all day.

How do chickens reproduce without a rooster?

Hens will lay eggs with or without a rooster. Without a rooster, your hens' eggs are infertile, so won't develop into chicks. If you do have a rooster, eggs need to be collected daily and kept in a cool place before being used so that they won't develop into chicks.