Re: Stuck for horse breeds and colours? (not finished yet)

[Nicoco177]

Palomino: chestnut horse that has one cream dilution gene that turns the horse to a golden, yellow, or tan shade with a flaxen or white mane and tail. Often cited as being a color "within three shades of a newly minted gold coin," palominos range in shades from extremely light, almost cremello, to deep chocolate, but always with a white or flaxen mane and tail.
Pearl: Also called the "barlink factor," A dilution gene that when homozygous, lightens red coats to a uniform apricot-like color, often also resulting in horses with blue eyes. When combined with cream dilution, may produce horses that appear to be cremello or perlino.
Perlino: similar to a cremello, but is genetically a bay base coat with two dilute genes. Eyes are blue. Mane, tail and points are not black, but are usually darker than the body coat, generally a reddish or rust color, not to be confused with a red dun.

[Nicoco177]

Pinto: a multi-colored horse with large patches of brown, white, and/or black and white. Variations include:
Piebald: a black and white spotting pattern (term more commonly used in the UK than the USA)
Skewbald: a spotting pattern of white and any other color other than black, or a spotting pattern of white and two other colors, which may include black. (term more commonly used in the UK than the USA).

Overo: Describes a group of spotting patterns genetically distinct from one another, characterized by sharp, irregular markings with a horizontal orientation, usually more dark than white. In some cases, the face is usually white, often with blue eyes. The white rarely crosses the back, and the lower legs are normally dark. Variations include "Frame Overo" and "Splashed white." Sometimes Sabino below is also classified in the overo family.

Sabino: Often confused with roan or rabicano, a slight spotting pattern characterized by high white on legs, belly spots, white markings on the face extending past the eyes and/or patches of roaning patterns standing alone or on the edges of white markings

Tobiano: Spotting pattern characterized by rounded markings with white legs and white across the back between the withers and the dock of the tail, usually arranged in a roughly vertical pattern and more white than dark, with the head usually dark and with markings like that of a normal horse. i.e. star, snip, strip, or blaze.

Tovero: spotting pattern that is a mix of tobiano and overo coloration, such as blue eyes on a dark head. May also refer to horses with Tobiano coloring that carry a recessive overo gene.

Paint: pinto horses with known Quarter Horse and/or Thoroughbred bloodlines. This is a separate breed of horse.

[Nicoco177]

Rabicano: A roan-like effect that is caused by a genetic modifier that creates a mealy, splotchy, or roaning pattern on only part of the body, usually limited to the underside, flanks, legs, and tail head areas. Unlike a true roan, much of the body will not have white hairs intermingled with solid ones, nor are the legs or head significantly darker than the rest of the horse.

Roan: a color pattern that causes white hairs to be evenly intermixed within the horse's body color. Roans are distinguishable from greys because roans typically do not change color in their lifetimes, unlike gray that gradually gets lighter as a horse ages. Roans also have heads that are either solid-colored or much darker than their body hair, and do not lighten. Variations of roan include:

Red Roan: A chestnut base coat with roaning pattern with the mane and tail being the same red as the body. Red roans are also commonly referred to as a Strawberry Roan, and the term Red Roan is occasionally is used to describe a Bay Roan.[1]

Bay Roan: A Bay base coat with roaning pattern (the mane and tail of the Bay Roan will be Black). Bay roans are sometimes also called Red Roans.[1]

Blue Roan: A black with roaning pattern, not to be confused with a gray or a blue dun/grullo. A roan tends to have a darker head, while grays not only lighten with age, but their heads tend to lighten before the rest of their bodies. A blue roan has mixed-color hairs, a blue dun will usually be a solid color and have dun striping.

[Nicoco177]

Silver dapple: Caused by a dilution gene that only acts upon black hair pigment, it lightens black body hair to a chocolate brown and the mane and tail to silver. The gene may be carried but will not be visible on horses with a red base coat. Silver dapple horses may also be called Chocolate, Flax, or Taffy.

Smoky black: Horse visually appears to be either a black with a mildly bleached-out coat or a dull dark bay, but is actually has a black base coat and one copy of the cream gene.

Smoky Cream: Virtually indistinguishable from a cremello or perlino without DNA testing, a horse with a black base coat and two copies of the cream gene.

[Nicoco177]

White : One of the rarest colors, a white horse has white hair and fully or largely unpigmented (pink) skin. These horses are born white, with blue or brown eyes, and remain white for life. The vast majority of so-called "white" horses are actually grays with a fully white hair coat. A truly white horse that lives to adulthood occurs one of two ways: either by inheriting one copy of a dominant white ("W") gene, of which several have been identified, or is a particular type of sabino that is homozygous for the "SB-1" gene. However, a foal with the genetic disease known as Lethal white syndrome dies shortly after birth. There are no "albinos" in the horse world. Albino, defined as animals with a white coat with pink skin and reddish eyes, is created by genetic mechanisms that do not exist in horses. In some cases, homozygous dominant white is thought to be an embryonic lethal, though this has not been established for all white horses

[Nicoco177]

Sooty is a genetic modifier that causes dark hairs to be dispersed within the coat, darkening the whole coat.
Pangare is a modifier that is the opposite of sooty, it causes individual hairs to lighten, causing lightened areas on the muzzle, flank and belly of a horse.
"Flaxen" used only to describe the lightened mane and tail of a chestnut, has been proposed as a genetic modifier, particularly when it appears to be a trait of certain breeds. However, the genetic mechanism of this process has yet to be identified.

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