He is being aggressive in his mating ritual. He is probably too young to have learned the rooster mating dance. The rooster is trying to grab the neck feathers of your hens to force them to submit to mating.
rooster
no. they will lay without a rooster
A good ratio is 1 rooster for every 15 hens. Many farms keep more hens than that and only one rooster, but that keeps him very busy.
Yes, a rooster will be happier with hens around.
Yes, a rooster is a male chicken. Hens are female.
usually the ratio of hens to rooster is about 15 hens for every rooster. If you keep them separated an extra rooster is not a problem but in a flock of 24 hens,you will have some squabbling between the dominant rooster and the #2 .
A rooster can successfully fertilize eggs from multiple hens. On average, a single rooster can fertilize between 10 to 12 hens, but this can vary based on the breed and age of the rooster, as well as other environmental factors.
No. Chickens will lay perfectly good eggs without a rooster. In fact, many people prefer not to keep a rooster, because they don't want to find a fertilized egg that was a little too far along.
Nope.
If you only have hens then no it is not possible. You need a rooster with the hens to get an embryo.
No. A rooster will service a whole flock of hens.
When a rooster gets on a hens back, he is breeding her. He pushes down on her back to bring her pelvis up so he can "shoot and score".