I got my 10 gals two weeks ago and so far they're doing fine. They're about 7 weeks now. They're called "high production reds" or something like that. I have a roo but he's too old to be with the girls. He's in another pen right next to them. I named him "Daddy'O" and he's about 4 months. We live in the desert so keeping them cool is a challenge but they're taking it in stride.