If I hatch some on 2-13 how soon could they go out? I live in northern il and am going to be able to have 2 to 4 heat lamps if needed. The building is sealed up tight with a cement floor and double walled but not insulated. I plan to hatch around 60 chicks and my current brooder is only about 35 sq witch looks huge for the 22 2 weekers in it now. I may add another brooder that would be 64 sq, so I would have about 100 sq of brooder. My coop is 300 sq and will be empty. The chicks will be dual purpose barnyard mix. Should I just move them when it looks crowded? I don't want to do a bunch of small batches and have to have them reestablish the pecking order and what not. I plan to butcher around 30 to 40 of them and keep some for eggs. Im going to incubate 84 eggs, my last batch had a 60% hatch rate so if goes as planned I should end up with around 50 chicks. Any thoughts/opinions would be great, thanks.