I'm considering getting some meat birds but already have 18 other birds in my coop (banties, standard & 2 Mallards) & 4 tiny Banties in my brooder. I'm building 2 additional coops with runs for the Banties & Mallards, but don't have room for a 4th for meaties. Should I cage them for the few weeks I need for them to grow or toss them in with my standard birds? My oldest standard chicks are about 8-10 wks old with the youngest at about 1 1/2 weeks, Mallards are 1/2 grown at about 4-6 weeks, and my Banties are mixed from 1 1/2 weeks to 8-10 wks old. I'm trying for the best outcome for ALL of my birds.