I'm assuming it's the standard size cornish rooster (not bantam), and I'm also assuming it's the dark cornish. I'm also wondering, realistically, how fast a dark cornish roo/white rock hen cross would grow. I know they won't grow as fast as a cross you would buy from a hatchery, so when would they be ready to eat???? I need to know if I should add some roos to my chick order. Thanks!!!