Hello, I have decided to try to get into breeding black sex link chickens. I already ordered my chicks a while back and decided I was going to do a Dark Cornish for my rooster and Barred Rocks for my hens. However after a little more searching i realized that the eggs of a Dark Cornish hen are somewhat smaller then desirable. So who determines the egg size of the black sex link? Rooster or Hen? I was going to do Dark Cornish for better meat bird combo.