We currently use hay inside the coop inside the nest boxes and on the floor. I have heard many of you talking about using shavings. We had discussed using shavings because after the hay gets packed of flattened down you can't just remove the soiled section under the roosts; the whole thing wants to come out. So what is your opinion for what works better? If you use shavings, what kind? I have used shavings for my chicks when I got them but I have heard some people say that can irritate their lungs? Is this true for chicks and adult chicken?