6666's

The Four Sixes® Ranch

Founded by Captain Samuel “Burk” Burnett in 1870, the Four Sixes is a true working cattle ranch and known for breeding and training some best American Quarter Horses in the world. The ranch is also home to a world-class veterinary clinic and equine nutrition program, which led to the creation of the Four Sixes Equine Supplements.

Trusted Equine Formulations

Backed by Veterinarians

“Four Sixes Equine Supplements represent a valuable investment in your horse's health and success, backed by a team of experts dedicated to promoting the well-being of equine athletes. As an equine veterinarian, I can confidently recommend Four Sixes Equine Supplements to all horse owners seeking top-tier nutrition."

— Dr. Nathan Canaday, Veterinarian & 6666 Ranch Horse Division Manager