Palomino coat colors Origin of Palomino name They are common in Thoroughbreds, Clydesdales, Standardbreds, and Quarter horses. Horse breeds that have Bay coloringīay is a primary horse color and is found in almost every breed. Bay horses are expressed genetically as either E/Aa or E/AA. The agouti gene controls the distribution of black pigments to the horse’s points. The black gene is influenced by an agouti gene (“A”). Color variations of bay horsesīay horses are black-based and have the black gene (“E”), also known as an extension this is needed to produce black pigment. There are many shades of the bay, such as blood bay and sand dun. “Points” are a horse’s mane, tail, ear edges, and lower legs. It has Anglo-French origins and is from the Latin word badius, meaning “chestnut-brown.” Bay color descriptionīay horses have reddish-brown coat colors with black points and black skin. The earliest use of bay to describe a horse’s coat color traces to the 14th century. But when used by equestrians, it describes a specific horse coat color and pattern. Bay coat colors Origin of Bay termīay can be a body of water or a type of window. Sorrel coloring is prevalent in most breeds. Popular breeds with Sorrel coat colors include Thoroughbred, Belgian draft horses, Tennesse Walking Horse, and Quarter horses. Though the agouti gene isn’t visible, a Sorrel can carry the gene and pass it to its progeny. The A agouti gene only affects black pigments, so it isn’t visible in a Sorrel horse’s coat. When an animal has a gene with identical alleles, they are homozygous. Because red is recessive, they must carry two copies of the red factor ( e) allele. However, in the western horse world, these animals are sorrel horses. It’s the standard chestnut horse to most people. Sorrel horses are entirely copper-red, including their coat, mane, and tail. Sorrel herbs are plants with bright green leaves and dark copper-red stems and veins.īut the first uses of “sorrel” as a term describing horse coat colors trace back to the mid 14th century and is likely from Od French sorel for sor “yellowish-brown.” Sorrel color description Sorrel is likely a reference to the red color found in the sorrel herb. These new colors are identified by terms typically unique to the description of horse colors, such as bay, sorrel, chestnut, and roan, to name a few. So in basic terms, every horse coat color starts with a red or black base, and modification or dilutions of the base create various coat colors. Bay is also considered a base color by some people.Įxtention genes control the production of red or black pigments. Horses’ coat colors are derived from one of two possible base pigments: red or black, which means that every horse has a gene for either of these pigments.
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