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Dun, also called bay dun, classic dun, or zebra dun is the most common type of dun, and has a tan or gold body with black mane, tail, and primitive markings. Genetically, the horse has an underlying bay coat color, acted upon by the dun gene.
Less distinct primitive markings can also occur on non-dun horses, even in breeds which are not known to have any dun individuals. The most common primitive marking found is a dorsal stripe. [1] Most non-dun horses do not have darker primitive markings, but some do. This is because there are two types of non-dun, called non-dun1 and non-dun2.
Dun horses may have primitive markings, which include any of the following: a dorsal stripe, lightened outer guard hairs on the manes and/or tails, zebra-like stripes on the upper legs, transverse striping over the upper shoulders, dark color around the muzzle, and ears with dark outlines and lighter interiors.
Perlinos are bay horses who are homozygous for the dominant creme (CCr) allele. Both black and red pigment are diluted to some shade of creme, though the formerly black points often have a stronger reddish cast. The skin is a slightly pigmented pink and the eyes are blue. Bay duns are bay horses with at least one dominant dun allele. Red and ...
Horses with the dominant D allele (D/D or D/d genotype) exhibit hypomelanism of the body coat, while d/d horses have otherwise intense, saturated coat colors. The mane, tail, head, legs, and primitive markings are not diluted. Zygosity for Dun can be determined with a DNA test. [27] The Dun locus is TBX3 on equine chromosome 8.
Zebra stripes are visible on the left back leg. The dun gene also produces light guard hairs in the mane and the tail. Grullo [1] (pronounced GREW-yo) [2] [a] or grulla is a color of horses in the dun family, characterized by tan-gray or mouse-colored hairs on the body, often with shoulder and dorsal stripes and black barring on the lower legs ...
Dun most commonly refers to: Dun gene, which produces a brownish-gray color (dun) in horses and other Equidae; Dun (fortification), an ancient or medieval fort;
These include the “blue dun” or grullo, which has a black base coat, and the red dun, which has a chestnut base coat. Similarly, darker coloration at the points is also preserved in horses with the roan gene , a patterning gene, producing a body coat of mingled white and dark hairs, but leaving the points the darker base color in all horses ...