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H half-brother, half sister: horses out of the same dam but by different
sires. Horses with the same sire and different dams are not considered half-siblings. halter: like a bridle, but lacking a bit. Used in handling horses around
the stable and when they are not being ridden. hand gallop: a gallop of moderate speed.
hand ride: urging a horse with the hands and not using the whip.
hand: four inches. A horse’s height is measured in hands and inches from
the top of the shoulder (withers) to the ground, e.g. 15.2 hands high is 15 hands 2 inches. Thoroughbreds typically range from 15 to 17 hands. harrow: implement or unit with pulling teeth or tines used to rake and
loosen the footing in an area. heaves: emphysema.See chronic obstructive pulmonary disease.
heel crack: a crack on the heel of the hoof. Also called a "sand crack."
helmet: shock-absorbing head gear worn by riders to prevent head injuries.
hematoma: a blood-filled area resulting from injury.
hock: a large joint just above the cannon bone in the rear leg that
corresponds to the level of the knee of the front leg. Equivalent to the human ankle joint. homebred: a horse bred by his owner.
hoof: the foot of the horse. Consists of several parts that play an
integral role in supporting the weight of the horse. horse: when reference is made to sex, a "horse" is an ungelded male five
years old or older (i.e., a stallion). horsing: behavior of a mare in heat (in season). See estrus.
Hyaluronic acid: a normal component of joint fluid. Also can be manmade
intra-articular medication used to relieve joint inflammation (Adequan™ or Legend™). Hyperkalemic periodic paralysis (HYPP): an inherited disorder of certain lines of Quarter horses, most noticeably those related to the late halter stallion Impressive. Affected horses seem normal between attacks. These can be mild or severe, and last from a few minutes to several hours, and seem to be triggered by work stress, anxiety, cold, and/or eating a diet high in potassium. Signs may include occasional skin rippling, localized muscle twitching, violent body-wide tremors, sweating, panting, passing loose manure, hindlimb weakness and collapse. Sever episodes can be fatal due to heart failure. Diagnosis is confiemed through genetic blood testing. There is no cure, but frequency and severity of attacks can be reduced with careful management and diet adjustment to reduce potassium levels. |
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American Association of Equine Practitioners |
