I have 7 hens all 14 weeks old tomorrow. There are 2 Blue laces red wyandottes, 2 olive eggers, 2 blue copper Marans & 1 crested cream legbar. I noticed yesterday that the olive eggers. One Marans and the legbar all are getting red combs. Today one of the olive eggers squared for me. Is this normal? They are so young but seem to be in quite a hurry to lay