I cut by size at usual harvest age and aggression first. If I have several left, which I usually do, I look for ones that tidbit and sometimes I do have one that the pullets tolerate better. The hens don't seem to like teens. Usually I keep a couple cockerels until spring.... its more apparent who they prefer.Oh, so one last question... how do you feel about letting the majority of the gals choose the keeper? Do they know something I don't? I figure it's only one factor to conside