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Horses may develop white markings over areas where there was an injury to the animal, either to cover scar tissue from a cut or abrasion, or to reflect harm to the underlying skin or nerves. One common type of scarring that produces patches of white hairs are "saddle marks," which are round or oval marks on either side of the withers , produced ...
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.
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.
However, his markings are caused by a type of sabino patterning and he has been DNA-tested negative for the OLWS gene. Horses heterozygous for the Ile118Lys mutation on the equine EDNRB gene—carriers of lethal white syndrome—usually exhibit a white-spotting pattern called "frame", or "frame overo".
If two horses with the frame overo gene are bred together, there is a 25% chance the foal will have lethal white syndrome. [4] Splashed white or splash overo is a group of patterns that tend to have white on the underside, as if a horse ran through white paint with its head lowered.
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.
The coloration is almost always present from birth and does not change throughout the horse's lifetime, unless the horse also carries the gray gene. 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.
Horses who are heterozygous for Sabino-1 (SB1/sb1) generally have a distinctive white spotting pattern of irregular, rough-edged white patches that usually include two or more white feet or legs, a blaze, spots or roaning on the belly or flanks, and jagged margins to white markings. [10] [11] Horses homozygous for the Sabino 1 allele (SB1/SB1 ...