Hey everyone ive ordered 13 white rocks and 13 buff chicks. We planned to have them separated from our breeding coop. Pretty sure we're going to get males in the mixture and plan to breed pure breed white rock and buffs. But what kind of pen should I make for them? I want them to be a layer pen where we only gather from. What kind of layout should I go for? A lot of nesting boxes or just a few boxes?