So, I cleaned my coop and did a scrub down about a week ago. Other than quite a bit of dander and stuck-on poop (it's been cold and wet, so I've done the minimal for cleanings), nothing seemed bad. I bought new straw day before yesterday, cleaned out the previous weeks' bedding and replaced. Yesterday, I go in to hang a new roost,and within seconds, my legs are covered in mites. It seems like every few times I get bedding, it's got a load of free mites, too! I bought several bales, is there anything I can do to kill the mites in them? Catching and treating 19 chickens is already going to be a real pain, not to mention the creepy suckers getting in my house, I don't want to have to eat that money, too! Any suggestions? I've got permethrin spray and bathe them in permethrin solution, but don't know about wetting baled straw and leaving it sit. Seven dust maybe?