I keep hearing things about the dominant hen and the top of the pecking order. I have not seen anything like that yet. The only "pecking" I have seen is when one of the little girls (dark cornish) appears to be helping one of the big girls (cornish x) preen. They are 7 weeks old, are they too young to have a pecking order? I have 19 dark cornish, 25 cornish x (I think one may be a leghorn) and a buff cochin, all girls (or are supposed to be).