So, my eldest male (about a 1 year and 10 months) breeder rat is starting to go bald on his back. Its genetic, his dad had the exact same thing. He is doing fine, he is healthy, on weight and is showing no signs of illness.

Its actually kinda funny, I will try to post some pics of him later once my camera is charged.

The main thing I am concerned about is what else could be linked to this gene. So far I have notice that both him and his dad had wavey fur on their back. Other than what I have noticed so far, does any know of anything else that could be linked with baldness in rats?

I did keep one of his offsprings (another male) as a breeder, however this male doesnt have wavey hair, nor is he balding, but then again he isnt that old.

Other than that, does anyone have balding or hairless rats? If so, feel free to post pics.