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Some characteristics of a Tovero colored horse include: Dark pigmentation around the ears, sometimes called a "Medicine Hat" or a "War bonnet" Dark pigmentation around the ears, expanding to cover the forehead and/or eyes. Isolated "shield" dark markings completely surrounded by white, particularly on the face or chest. One or both eyes blue.
This Thoroughbred stallion (W2/+) has one form of dominant white.His skin, hooves, and coat lack pigment cells, giving him a pink-skinned white coat. Dominant white (W) [1] [2] is a group of genetically related coat color alleles on the KIT gene of the horse, best known for producing an all-white coat, but also able to produce various forms of white spotting, as well as bold white markings.
Most horses have some markings, and they help to identify the horse as a unique individual. Markings are present at birth and do not change over the course of the horse's life. Most markings have pink skin underneath most of the white hairs, though a few faint markings may occasionally have white hair with no underlying pink skin.
[7] [13] [14] Without genetic testing, some carriers are misidentified as having white markings due to another gene, while some are even classified as solids. [3] The presence of this gene in a variety of horse populations in North America suggests that the mutation occurred in early American history, perhaps in a Spanish-type horse. [5] [6] [7]
The most common usage refers to frame overo, but splashed white and sabino are also considered "overo". [2] [3] A horse with both tobiano and overo patterns is called tovero. Frame overo, splashed white, and sabino are three separate pinto patterns, genetically unrelated, that are grouped together under the name "overo".
The most popular and acceptable form of white markings on both breeds includes a bold blaze and four even socks. [25] These markings are often described as sabino. In particular, white facial markings often extend to the chin or lip, and may wrap around the head with irregular, feathery borders.
In other contexts, "solid" may be used to describe a horse with no white markings. Medicine hat: An uncommon pattern, the poll and ears are dark, surrounded completely by white, a true "medicine hat" pinto or paint usually has a predominantly white body, sometimes with dark coloration by the flanks, chest, and above the eyes.
While most horses remain the same color throughout life, a few, over the course of several years, will develop a different coat color from that with which they were born. Most white markings are present at birth, and the underlying skin color of a healthy horse does not change. Some Equine coat colors are also related to the breed of horse ...