When I had a snake a few years ago and he had mites we coated him in olive oil and let him just chill in the bath rub for 15 minutes. It's supposed to suffocate mites. That's for snakes though. Do you think the same method would work on rat fur? I also read to give them Ivermectin like horse wormer but that sounds a bit extreme and how do you dose that to a rat when it's in a huge horse tube?
Neither rat is sickly or lethargic or anything, just a little itchy.