Muscle mass loss

by Natalie
(North Carolina)

I have a senior JRT, approximately 9-10 years old. I've noticed a decrease in muscle mass on his head. Both, left & right side are more shallow and the middle is almost coming to a point. Is this normal in an aging JRT?

Click here to post comments

Join in and write your own page! It's easy to do. How? Simply click here to return to Jack Russell Questions and Answers Forum.