Question to Auz: “My 20 yr old appaloosa is getting a little bit stiff and he certainly seems to be a bit more stiff in the heat. What do you recommend?” – Too Hot to Trot Dear Too Hot to Trot, There are a number of things to consider in a 20 year old horse with stiffness. My first suggestion is to ask your AAEP accredited equine veterinarian to do a complete physical examination. Here’s why. One of my neighbors is a 20 year old mare who has long term arthritis in her forefe