Hi all, My babies are two weeks old now and I notice that they sometimes try to bury themselves in the pine shavings... kinda like they are rolling around in it. I am assuming this is like a dust bath?? Should I put a tray of sand in the brooder or something? If so, would an alumimum (disposable) baking pan be ok? and what do you put in it?? what kind of sand etc? Please let me know. Thanks, Kim Mom to 6 Buff Orpington babies!