Question for you experienced BYCers: As we are designing our coop and run, I am unsure how secure we need to make the run area. I'd like it to be safe enough to leave them out during the day while we are at work (generally no more that 6 hours). But if it is safe enough for this, wouldn't it be safe enough at night? For example, if it is fully fenced in with a buried skirt and covered top. My father, who will be helping us to build it, has chicken wire on the brain and I told him the only appropriate use for that I believe would be for covering the run. But would chicken wire be safe during the day if we are not here? We have two dogs, one of which is bred to patrol farmland (great pyrenees), but we don't leave them out when we aren't here, and the coop will be just to the side of the yard in the woods. I guess what I'm getting at is, if we make the run heavy-duty and tight against predators, we wouldn't have to worry about securing the hens at night. Does anyone have this kind of setup?