My hubby can get me lots of 3x3 sheets of cardboard at work and I wondered if I can keep a sheet of it under the roost for catching the majority of the poo in the coop ( do chickens poop in thier sleep? ) , and then dispose of it every other day or so??? There will be pine shavings too, and I can just fold it in half and carry out the cardboard sheet and slide the pooy shavings right into the compost pile....is that ok?? My girls are only 3 weeks old right now ...so this will be for later when they are in the coop full time and using the roost. Just wondered if this would work ok?? Thanks!!