Unfortunately, I can't get an appointment until November 8th. I think the issue stems from my switching him to medium rats. He was handling small rats fine but my local supplier ran out, so I decided to try medium. He's back on small rats now. Here's a link to some pics (https://photos.app.goo.gl/vmevdSf5Za3UJiew9). I couldn't figure out how to upload them. Thanks to you all.