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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

UNDERRUN HEELS

The slope of the heels is shallower than that of the toe as viewed from the side. This reduces the posterior support of the hoof. Heels need not be short to be underrun. a.k.a: Run-under heels; underslung heels.


UNDERSLUNG HEELS

See: Underrun heels.


UNILATERAL

On one side only.


UNSOUND

Describes a horse who suffers from a defect or condition which could lead to lameness. An unsound horse might not be currently lame.


URINE

Average 5.5 quarts per day (3 to 9 range), deep yellow to brown color.