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Tobiano is a spotted color pattern commonly seen in Pinto horses, produced by a dominant gene. The tobiano gene produces white-haired, pink-skinned patches on a base coat color. The coloration is present from birth and does not change throughout the horse's lifetime, unless the horse also carries the gray gene. (''see below'') It is a dominant gene, so any tobiano horse must have at least one parent who carries the tobiano gene. Other spotting patterns seen in Pinto horses include frame overo, splashed white and sabino. In the United Kingdom, Tobianos are frequently referred to as "Coloured" or as "Pied": Piebald if black and white, or Skewbald if white and any base color other than black. Sometimes "painted" is also used.〔 Bay and white tobiano horses are also referred to as Tri-Coloured. ==Characteristics== Tobiano traits generally include the following: * White legs from the hocks and knees down * White crossing the back between the withers and the dock of the tail * White is arranged in a vertical pattern * Facial markings are similar to those of a traditionally solid-colored horse. i.e. star, snip, strip, or blaze. Extreme white facial markings suggest the presence of additional color pattern genes beyond Tobiano * White patches which are usually rounded or oval in shape, rather than jagged (see Overo) * Dark color extending down the neck, giving the appearance of a shield The word ''tobiano'' is of Spanish origin, probable first used in South America to describe horses brought in by a Dutch emigrant named Tobias.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「tobiano」の詳細全文を読む スポンサード リンク
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