Kiln-dried pine is fine, but your vet is right about the rest. Un-dried pine and cedar have oils that can be toxic. Corn cob is not good, in part, because its
prone to go moldy. And clay? just too many things wrong with that.
Kiln-dried pine, aspen, and paper-based bedding, like Carefresh are all good choices (other than fleece, of course).
Kiln-dried pine, aspen, and paper-based bedding, like Carefresh are all good choices (other than fleece, of course).

