I have just over a month to prepare for the arrival of our meat chickens. We are only doing a small amount to start (15) and I am trying to figure out how to house them. Anyone mind sharing their set-ups? I'm really interested in chicken tractors, but how does that work at night? We have coyotes, raccoons, foxes, around here. Wouldn't they just dig into a tractor? A lot of the designs I keep seeing just have sheltered off areas. Thank you!