Royal canin feline veterinary diet mobility is a specialised dry food for cats with joint diseases it is also well suited for pre and post surgery on the musculoskeletal system there are many causes for joint disorders in cats for some genetic predisposition plays a role for others it is a sign of ageing however the most common cause of joint injuries is obesity if your cat has a joint disease royal canin feline veterinary diet mobility offers delicious kibble and helps promote he