Here in Texas, we can kill any animal that gets on our property and kills or destroys anything on it! I put a lot time and money into my chickens and any animal, especially a dog, goes after them, it'll be met with a shotgun!!
I have a 4'x8' enclosed coop and after the chickens go in for the night, I shut the trap door and nothing can get into it. I also have a partial run that has hardware cloth wire all around it and a skylite roof, in case they need to make a quick dash in it for protection, but other than that, I...