Secretariat, also known as Big Red, was a champion American Thoroughbred racehorse who was the ninth winner of the American Triple Crown, setting and still holding the fastest time record in all three
Secretariat and jockey Ron Turcotte after winning the 1973 Preakness Stakes
Diagram of equine anatomy
Secretariat crossing the finish line at the 1973 Preakness
Laminitis is a disease of the feet of ungulates, found mostly in horses and cattle, involving inflammation of the laminae. Clinical signs include foot tenderness progressing to inability to walk, incr
Secretariat (horse)
…Summer Squall, and Chief's Crown, and through them Secretariat appears in the pedigree of many modern champions. Secretariat died in 1989 as a result of laminitis at age 19. Secretariat was officially bred by Christopher Chenery's Meadow Stud, but the breeding was actually arranged by Penny Chenery (then known…
Radiograph of a horse hoof showing marked separation of the hoof from the coffin bone with evidence of rotation and sinking, compatible with active severe laminitis. P2 designates the middle phalanx, or pastern bone, and P3 designates the distal phalanx, or coffin bone. The yellow lines mark the distance between the top and bottom part of the coffin bone relative to the hoof wall, showing marked widening of the hoof-lamellar zone, with the distal (bottom) of the coffin bone rotated away from the hoof wall.
Hoof sagittal section with widespread laminiar inflammation and rotation of third phalanx
Hoof specimen, sagittal section. Severe P3 rotation and penetration into the sole. A lamellar wedge is evident.
The front feet of this horse exhibit the rings and overgrowth typical of foundered horses.