I have a Broody that just hatched 8 adopted eggs. Planning on keeping a roo or two. Is it a problem for the the step hen since she is raising them like her own? I know they are not related by blood but it seems a little weird having one of the babies mate with their step mom. Will she remember it as one of her own after it's mature?
Well, you have gotten some good responses... and I was going to skip replying, but... I couldn't since the term STEP HEN made me SMILE!
Anyways, I do agree that the animal world doesn't operate the same as humans. In breeds where it is MORE important for inbreeding NOT to take place... There are dynamics that drive the young males away and the breeding the females to their fathers is not as much of an issue as breeding to their brothers would be. ANYTIME you see a pure bred dog or other... there WAS inbreeding used to make that breed. Some species will start to show signs of inbreeding sooner than others. In cat's it make the kinked tail that people often think is broken.
In chickens, decreased fertility and hatchability would be indicators of too much, too close (brother to sister) inbreeding.
That being said... no way in HELL would I just let a bunch of cockerels take advantage of ANY hen. mum or not. She may have an upper hand with her place in the pecking order. Personally (depending on how many)... I would make sure and have a place for the extra cockerels to go once they reach breeding age. Not because of inbreeding (line breeding for those of us who do it), but for the safety of the hen.
It takes several generations of CLOSE (brother to sister) inbreeding for deformities and decreased hatchability to show up. Son to mother and father to daughter are actually the correct way to do it, is my CURRENT understanding. And I will note that SOME deformities can be brought on by incubation errors.
So I also would suspect the boys to try breeding their sisters WAY before mum... sisters are on their same level in the pecking order and much easier targets than the older ladies. Simply don't hatch the eggs from the sisters.
Whether or not there is any immorality (and there isn't)... flock dynamics will play a major roll. Too many boys results in competitive mating and a poor situation for ANY females involved. So depending on how many boys verses girls you end up with would be what dictates the scenario that would play out at my place.
I had one incident during my first round with straight run chicks, that resulted in way more boys than girls BEFORE I had a separation plan. That will NEVER happen again here, and I have an exit plan for all boys now. I keep a stag pen where they go once they start trying to mate until I decide whether to sell, breed, or eat... Silkies included!
I have had one Silkie start crowing between 4-5 weeks, and another that started trying to mate by 8 weeks! All situations will be unique. Hopefully you have gotten enough answers to feel comfortable with whatever you choose.
