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Speed index (sometimes speed rating) is a system of rating the performance of Quarter Horse racehorses. The American Quarter Horse Association (or the AQHA) has used two systems over the history of Quarter Horse racing to evaluate racing performances. The original system used a letter grade, starting at D, then C, B, A and the highest AA.
The latter calculation compensates for a racetrack running faster or slower than usual. The Beyer Speed Figure specifically does not consider other variables such as the early pace or traffic problems a horse may have faced during a given race. The figure may however be adjusted if the raw numbers are unusual based on the field's previous ...
The Henneke horse body condition scoring system is a numerical scale used to evaluate the amount of fat on a horse's body. It was developed in the early 1980s by Don Henneke at Texas A&M University with the goal of creating a universal scale to assess horses' bodyweight, [ 1 ] and was first published in 1983. [ 2 ]
Obese American horse: fat deposits can be seen on the back, between the ribs and on the rump. The horse body mass is highly variable, depending on breed, model, physiological state, condition, owner's purpose and usage of the animal. Always 65% to 75% water, it is divided on average between 50% muscle, 11% bone and 10% fat.
Equine polysaccharide storage myopathy (EPSM, PSSM, EPSSM) is a hereditary glycogen storage disease of horses that causes exertional rhabdomyolysis.It is currently known to affect the following breeds American Quarter Horses, American Paint Horses, Warmbloods, Cobs, Dales Ponies, Thoroughbreds, Arabians, New Forest ponies, and a large number of Heavy horse breeds.
By calculating variables such as the track conditions and the horse's time, Beyer speed figures give a measure of how fast a horse was in a given race. This number can then be used to compare a given horse's "speed" against its competition in an upcoming race, despite the fact that the horses have all run in different races, at different tracks ...
Interest in determining which sires of race horses transmit raw speed, and which sires transmit stamina (defined as the ability to successfully compete at longer distances) to their progeny dates back to the early 20th century, when a French researcher, Lt. Col. J. J. Vuillier, published a study on the subject (called Dosage), which was subsequently modified by an Italian breeding expert, Dr ...
Horses are best managed by only allowing short grazing periods—less than 1 hour since they can rapidly ingest grass, [18] or confining them to a limited turn-out area or by use of a grazing muzzle. Horses with severe IR, that have recurrent laminitis, are not recommended to return to pasture. Hay low in NSC is provided in place of pasture.