Our cat has access to outside all the time (no litter tray or anything), which is normal here in the UK unless you're near a busy road. It's true that he does his hunting during night time though, so maybe limiting his access to outside to the day time is something to consider.
I've thought of...
Hi,
Our cat was being terrorised by the neighbourhood stray, who enjoyed coming into our house and eating his food. Bad cat. So anyway, I fitted out the back door with one of those fort knox style magnetic cat flaps. His collar has a small magnet pendant hanging from it - the magnetic field...
