I plan on raising black australorps, buff orpingtons, barred rocks, and partridge rocks. We are ordering straight runs and will be using the roos for meat. I wanted to keep 1 or 2 roos for mating purposes so we don't have to buy chicks in the future we can just raise our own. So when the males mature do you just let them hang out with the girls all the time or do you separate the males and only have them with the girls when you want fertile eggs? do you keep the specific breeds together so that the chicks are true breeds? Or do you let them mate willy nilly and have mutt chickens? I really would like to know what you all do.