Any ideas please. Our cat is nearly 16 and has become deaf. I don't know if this is the reason for his recent litter tray behaviour- wondering if the fact he is deaf means he doesn't like the covered tray anymore. We have a lovely bit tray with plenty of room but he just goes in the doorway and won't go further. Sometimes his poo ends up on the floor as his backside pokes out or sometimes it goes in but he then walks in it. Paws get covered and he then walks around he house. Thankfully we have hard flooring so I can clean it but it is getting quite stressful as we are constantly on litter tray alert. Would appreciate any ideas.