• Akhal-Teke, American Bashkir Curly, American Miniature Horse, American Paint Horse, American Quarter Horse, American Saddlebred, Appaloosa, German Riding Pony, Icelandic Horse, Lewitzer, Missouri Fox Trotter, Morgan, Paso Fino, Peruvian Paso, Rocky Mountain Horse, Standardbred, Tennessee Walking Horse, Welsh Cob, Caspian, Mongolian, Finnhorse, Selle Francais, Hucul, Dutch Harness, Welsh Mountain, Kentucky Mountain Saddle Horse, Mangalarga Marchador, Scandinavian Coldblood Trotter
• DMRT3
• Sístema nervioso