I recently lost 3 of my pullets. My husband is dying for another barred rock, and the only ones I can find are at a feed store, they are about 1 week old. The two that I have currently are 7 weeks old and are in a run in our back yard. We would raise the chicklets in the garage like we did with the others, but eventually will want to put them outside. How do I introduce them and when should I do this? I don't want them to be picked on but I want to have them coexist. Thanks!!