Ok well I have New flock consisting of a blue copper maran cockerel a black cochin cockerel a cuckoo maran pullet two Easter Egger pullets an old English pullet two black copper maran pullets and I've added five pullets of the same age another black copper two welsummers one aracuana and one cuckoo maran the two original black coppers pick on all the new chicks so I took them out for a week and put them back this morning now they're worse plucking feathers and attacking the others please help what do I do ?!?!