Starting at about 4 to 5 months of age, young roosters (cockerels) reach sexual maturity, producing sperm and acting like roosters. They can remain fertile for several years, although the quantity and quality of sperm that roosters produce decreases as they age.

How do I know if my roosters are mating?

The rooster will initiate mating by exhibiting courtship behaviour: dropping one wing and dancing in a circle (the lowered wing will be on the inside of the circle dance). The hen will crouch (dip her head and body) to indicate receptiveness to the male.

How long does it take for a rooster to mate with a hen?

How long does a rooster need to be with a hen for fertilisation to happen? It can range from a once off meeting to around 3-7 days on average. ​The key is activity. Romeo rooster may have his favourites while ignoring other hens.