Now, my rat Mitch, has turned into a shar pei rat. As cute as the little fat roll around the neck is, I'm quite sure it's not healthy. I know I've probably fed him one too many yogies, and have stopped now completely unless we are training. Therein lies the problem... How do I get Rat Boy Slim to be slim? They have access to a mix that I have made myself and my vet thinks it's great.. Coz I'm in Australia I pretty much just made a combination of subees and the uk subees from what I could find. I also have the lab blocks mixed in that. The bowl doesn't really get topped until it is all gone so to make sure the boys get all of their nutritional needs. How can I put Mitch on a diet? Just stop treats altogether and let him work it off? He's not fully grown yet at all... he's about 3-4 months old. I have a harness for him, but he slipped out of it today, so no walks around the backyard yet... Anyone else had to put their fat brat on a diet?