When does the male start to mount and successfully fertilize?

Rooster Don

In the Brooder
6 Years
Jul 24, 2013
Westlake Hills (Austin) Texas
we hatched a male and wonder how long it will take for him to become a REAL MAN ROOSTER? We are raising him with other females his age. we have hens too that they will be soon put with and wonder how he will adapt to taking them on to in the mating process. thanks.

Fred's Hens

Premium Feather Member
9 Years
Depends completely upon the breed and also depends on the maturing of each individual. There's no specific answer. At 20 weeks, the cockerels generally are maturing and clumsy, but some are ready to try.

With slower developing heritage breeds and high quality, slow maturing strains, we've six month (26 week) old cockerels who still aren't ready at all.

In short, you know when he is ready and randy.


Crossing the Road
12 Years
Feb 2, 2009
Southeast Louisiana
I’ll go even more extreme than Fred. I had one cockerel that at 16 weeks was having his way with many of the mature ladies. Not all of them, but many. I’ll admit I was pretty surprised when I saw that. There was even a mature dominant rooster in the flock when that happened. Daddy still occasionally whipped his butt, but the hens liked Junior a lot. I had one that took 11 months to finally get a mature hen to accept his dominance. The other hens accepted him a lot earlier but there was one holdout. That one hen would even knock him of another hen when he mounted just to show that she did not accept him as good enough to be the boss. It really does vary a lot, both with the male and the female.

Some hens will squat for practically anything in spurs, but often a mature hen wants her man to dance for her, find her food, offer protection by keeping a look-out for danger, and keep peace in his flock. It doesn’t hurt for him to have a magnificent appearance and a self-assured self-confident attitude. All that comes with maturity. The females have their part to play too. They all, male and female, mature at different rates. Most immature cockerels won’t do what it takes to impress the older hens.

Sometimes when an immature cockerel tries to get fresh with an older hen, she whips his butt for him. She’s schooling him on proper rooster behavior. Sometimes the hens run away instead of squatting or fighting. Since the cockerel is bigger than them, he may try to force himself onto them. Sometimes a young cockerel growing up in a flock like that can merge pretty seamlessly, but often it gets pretty rowdy for a while. But he will mature his way out of that adolescent stage if you have the patience. It’s not always easy.

Moody Broody

In the Brooder
5 Years
Apr 8, 2014
Although it all comes down the the breed, we found that our rooster began to mate when he started crowing.


7 Years
Feb 25, 2014
At 5 months they will try but sometime mating will be unsuccessful, but at 6 months mating will be 100% successful.

Fred's Hens

Premium Feather Member
9 Years
Exactly right Fred. I read a study on that. Sometimes the rooster does not always follow through on the mating ritual. Sometimes it’s more about dominance than sex.
And sometimes the female just "spits" it out. Many other issues also come into play whereby fertility is not 100%, such as excess feather fluff, etc.

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