I have 2 rooster brothers who are now 4 months old. they get along very well and spend all day together foraging, the main rooster will treat the other roo like a hen and call him over to get food. im glad they get along but the problem is they hate the pullets i introduced to them 3 weeks ago! ive even had to separate them at night! the alpha roo of the pair is slightly less aggressive, unlike the other who bullies the pullets and pulls their feathers out. what could be causing this and what can i do to fix this?