The Appendix Quarter Horse: Speed, Versatility, and the “X” Factor
Quick Answer: An Appendix Quarter Horse is a first-generation cross between a registered American Quarter Horse and a Thoroughbred. Registered with the AQHA, these horses are bred to combine the Thoroughbred’s height and stamina with the explosive acceleration and “cow sense” of the Quarter Horse. I’ll never forget watching my Appendix-bred gelding transition from 870-yard …