I found mites on some of my chickens yesterday. I was blown away because we completely clean out our coop every other Sunday. I always have new straw layed on the floor and nesting boxes. Is it the straw that is bringing the mites in? What do I use on the floor instead and how in the world do I get rid of the bugs? I have a mama on a clutch of eggs. I check on her and no bugs, but I was told I have to remove everything in the coop and spray it. Do I have to treat all the chickens whether they have mites or not? This is a nightmare.