Page 299 - Anatomy and Physiology of Farm Animals, 8th Edition
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284 / Anatomy and Physiology of Farm Animals

                     (A)                      (B)
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          Figure 14-9.  (A) Red arrowhead indicates chestnut on the medial aspect of the equine forelimb, just
          proximal to the carpus. (B) Yellow arrowhead indicates ergot on the plantar surface of the fetlock of this
          hindfoot.


          Jockey Club, which registers Thoroughbred   adjectives can be added to  chestnut to
          horses).                                describe the color more specifically. One
            A gray horse’s coat has an admixture of   variation of chestnut is sorrel, most often
          white and darker (generally black) hairs.   encountered  in  reference  to  the  Quarter
          The skin is black. Many gray horses are   Horse. In this breed, sorrel is used for cop-
          dark at foaling and gradually accumulate   pery or reddish chestnut shades, whereas
          white hairs as they age, lightening the   the term chestnut is reserved for darker
          entire coat. When the darker hairs are red,   shades.
          the gray may have a pink cast, and depend-  Palomino describes a light‐colored
          ing on  the breed and the individual’s   body with lighter mane and tail. The most
            preference, these horses may be referred to   desirable palomino horses have a body
          as  rose  gray  or  roan  (discussed  below).   color of “newly minted gold” with white
          Dappling is characterized by a pattern of   mane  and  tail.  This  ideal  is  uncommon,
          dark and light circles in the coat with the   though, and most palominos have body
          centers lighter. Any color can be dappled,   hairs in some less golden shade of yellow.
          but the term is most commonly applied to   All palominos’ manes and tails are white or
          gray horses.                            cream. Strong dilutions of palomino can be
            Chestnut horses are some shade of red   nearly white in appearance. These diluted
          or brown, varying from diluted shades that   horses, described as cremello, often arise
          are nearly yellow to a deep liver chestnut.   from palomino to palomino crosses.
          The  points  on  the  chestnut  may  be  the   A  buckskin’s  body  color  is  yellow  or
          same as the body color, lighter (sometimes   gold, and points are black. Many horses
          even flaxen), or slightly darker, but they are   with this color also carry  dun markings
          never black. As with bay, many descriptive   (discussed below), most prominently the
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