Our flock is finally 19 weeks old. That pullets are staring to exhibit egg laying behaviour. Our cockerel started crowing 2 weeks ago and has just started mounting 1 pullet. He has singled her out and doesn't seem to give her much of a break. The other ladies he has just been pulling feathers on their heads. Is this a bad sign That he will become more aggressive as time passes or is it typical for a young rooster? How long do I let him continue being a meanie?