>I'm curious about something-- we know that hind limb weakness is >symptomatic of a number of things in ferrets. But what really causes >the hind limb weakness? Is it muscular deterioration, nerve damage, >loss of bone density, or ?? ? The answer to this is yes. Any and all of these things can cause hind limb weakness. Personally, I feel that gentle muscular massage and range of motion exercises are a plus in any case except where they would cause pain. Dr. Ruth ***************************************** Save lives - spay or neuter your pet. [Posted in FML issue 3481]