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Topic: Equine coat color

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Gray (horse) - Wikipedia, the free encyclopedia Gray is a coat color of horses, consisting of black skin, a white to dark gray coat, and a mane the same color or darker than the body coat. They are born white (unlike a gray, which is born dark coated) and stay that color the rest of their life. W= white, c= color other than white (all other colors are recessive to white, so if a horse has a white gene from one parent and a colored gene from the other, the colored gene will be "masked" by the white, and the foal will appear white). en.wikipedia.org /wiki/Gray_(horse)

Color Genetics In coat color genetics, when dominant genes are present they are usually visible to us (except in the case of solid red horses) and are given precedence over recessive genes. Any other color is just a variation to these 3 basic colors and are due to contributions of other coat color genes responsible for adding lighter or darker shades, certain patterns (i.e. With the basic coat colors (chestnut, bay, black), the extension locus is the first locus mother nature considers. www.lattefarms.com /colorgenetics.html

College - Horse Color Genetics Coat Color Genetics, written by Dr. Jim and Lynda McCall, is being offered as an online college course which earns students a certificate of recognition. Coat Color Genetics is presented as eight lessons. In addition to Training Performance Horses and Coat Color Genetics, Success Is Easy is developing a series of courses which includes health care and nutrition. www.donblazer.com /college/ccg_info.html

Discussion Forum: Buckskin I learned about coat color genetics in genetic and equine classes as an undergrad and continued with the study in grad school. Primary coat color is determined by one of two pigments - Eumelanin, commonaly referred to as the "Black" color family; and Phaeomelanin, which is commonanly referred to as the "brown" or "red" color family. Genetics can be terribly confusing especially since the different breeds often use different words to describe the same "shade" of color. www.equine-reproduction.com /board/messages/101/1821.html

Last Chance Farm It is a pamphlet of equine colors illustrated beautifully and is an in-depth study of how the basic colors are like building blocks to be modified by various modifiers such as gray, roan and cream genes. It is a total equine genetics with chapters on color and color breeding. He does have an excellent grasp on the genetics of coat color. www.lastchancefarm.com /elsiescorner/equinegenetics.html

IALHA - International Andalusian & Lusitano Horse Association Genetics of Coat Color of Horses (Univ. of Missouri) Roan: The basic coat color (bay, black, chestnut, ect) of the roan horse is silvered by a mixture of white hairs, intermingled from birth with the darker hairs of the base color. Discussion of basic colors and color producing genes that apply to all breeds (except the champagne gene is not mentioned, as it probably was not documented at the time). www.ialha.org /new/features/articles/ColorGenetics.php

Equine Coat Colors - Color in Horses These foal coat colors are often confused with the dun factor dilution colors above, and produce surprises for people as the horses mature and shed out their foal coats. October '97 - Pictures on Champagne dilution, Foal Coat Colors, Countershading (Sooty/ Smutty) and the c cr dilution, and Tan Markings. Dappling in horses consists of a lighter colored center (usually circular in appearance) surrounded by darker colored hairs. members.aol.com /battyatty

Basic Equine color genetics Colors such as Palomino, Dun, Buckskin, Grulla, Roan, Even Grey, are all over laid onto your three basic coat colors of Black Chestnut and Bay. In basic coat Color genetics Homozygous means two of the same gene. This type of Bay horse is the only genetic base color that is truly 100% homozygous meaning producing bay 100% of the time no matter what base color it is bred to. www.perlinomorgan.com /basic_equine_color_genetics.htm

Gait Barrows Exmoor Ponies - links Color and markings conform to primitive appearance as those seen in the Wild Ass (for example) - bay, brown, and dun with a characteristic mealy colored muzzle and dark legs, mane and tail. She also records that the color is also important, with the most usual being a brown-mouse color, or brown inclining to bay, more rarely black or grey. This insulation of the winter coat prevents the ponies from being chilled as the melting snow is periodically shaken off. epicrus.supanet.com /exmoor.htm

VEIN Links : Genetics reading list Genetics of resistance to bacterial and parasitic infection Wakelin, D. and Blakewell, J. Taylor and Francis, Basingstoke, England. Genetics of populations Hedrick, P.W. Jones and Bartlett, Boston. Genetics and horse breeding Jones, W.E. Lea and Febiger, Philadelphia. vein.library.usyd.edu.au /links/readinglist.html

True Colors Since miniature horse colors can be confusing, pedigrees are questionable, if not non-existent, and evaluating offspring can be a very slow way of determining genetics; we must try to understand basic genetics to help us predict coat color. Most commonly encountered discussions of miniature horse coat color are based on phenotype, as in most cases we can only describe the colors that we see in the horse in front of us. The second great variable in coat color is the shade, intensity and distribution of the colors present in the pigment bearing cells. www.unicornerfarm.com /colors.htm

Equine Library Book Description Horse Genetics The author concentrates on topics such as coat color, where information is well documented, to illustrate general genetic principles. Book Description Equine Color Genetics Sponenberg (pathology & genetics, Virginia-Maryland Regional College of Veterinary Medicine) explains the biologic mechanisms that determine color in horses and donkeys, and the specific behavioral characteristics associated with these colors. Coverage includes an introduction to the fundamental principles of genetics and color in mammals, the basic building blocks of color, patterns of white, the role of color in breeding, and peculiarities of hair growth. white_arabian.tripod.com /library.html

Amazon.co.uk: Books: Equine Color Genetics Here, Phillip Sponenberg has provided the equine and veterinary community with a textbook outlining the genetic properties of colour as it appears in horses and donkeys. When in doubt about what color a particular horse is, pictures are a very valuable help. The text first delves into genetic mechanisms and interactions that explain the step-by-step process that results in hundreds of different colours of horses. www.amazon.co.uk /exec/obidos/ASIN/0813829054

The Turanian Horse Website: Colors of the Turanian Horse and its Descendants However, Champagne also produces other effects: the skin is lightened to pink or is softly mottled; the coat color is considerably lightened, and foal may be born with blue eyes which turn hazel as it ages. Equine Color Genetics, D. Phillip Sponenberg PhD, DVM. Savrasaya: Attractive uneven body color, yellowish or reddish coloring to the hair on the torso, with a lighter or mealy color on the extremity of the muzzle, around the eyes and on the belly. www.turanianhorse.org /colors.html

Equine Color Genetics II by Phil Sponenberg In addition to working on coat color, he also is active in efforts to conserve rare breeds of livestock through the programs of the American Livestock Breeders Conservancy. Equine Color Genetics unfolds the mystery of horse and donkey color. Sponenberg has long had an interest in the genetic control of color in horses and other livestock. www.equibooks.com /colgenetics.html

Horse breeder's tips: basic equine color genetics Common traits of the champagne dilution include: amber, green, or blue eye color, pink to a light brown colored skin, often with freckles, dilution of the coat color, and a metallic sheen to the coat. Every color out there (with the possible exception of white, which geneticists are still studying) is a variation on either a red or a black base coat. Dilution genes in combination with the horse's base coat have different effects depending on the type of dilution, the color of the base coat, and the presence of other genetic variations. www.pagewise.com /equine-color-genetics.htm

Horse Color Explained Book - Equine Books and Videos Jeanette Gower, an authority on color genetics, has more than 25 years of practical experience; she is also a respected judge and equine studies lecturer. Often, however, horse breeders don't explore the probabilities of coat color and markings because the science of genetics seems too complicated. A simple yet thorough guide to horse color and equine color inheritance, featuring 185 color photos as well as charts and diagrams. www.chicksaddlery.com /tackshop/prods/K776.html

CHW Curly Horses on the Web DIRECTORIES HORSE COLORS A discussion of the equine Roan color gene (HancockHorses.com) horse shows a diluted body color to pinkish-red, yellow-red, yellow or mouse gray and has dark points including dorsal stripe, shoulder stripe and leg barring. The alternative allele a does not restrict the distribution of black hair and thus in the presence of the allele E of the E gene a uniformly black horse is produced. www.curlyhorseweb.com /colors.html

Canine Genetics Resources In the first installment of that series, The Genetic Cul-de-Sac, the genetics task force addresses the origin of the domestic dog with an emphasis on the fundamentals of DNA and gene mutations, and their relationship to vigorous genetic diversity. The Control of Genetic Disease is discussed in a summary of information presented at seminars by Dr. George A. Padgett, DVM, a veterinary pathologist specializing in canine genetics. Michigan University presents Laboratory of Molecular Medicine and Canine Genetics, "using the powerful new tools of molecular genetics to understand, improve diagnosis and treatment of, and ultimately prevent the hereditary diseases that affect dogs and (B) to educate and train veterinary professionals and scientists in molecular genetics and medicine." www.workingdogs.com /genetics.htm

"SIMPLE" Coat Color Genetics for Arabian Horse Breeders Rather foals are born with a coat color (bay, chestnut, etc.), then they either turn gray or they don't. Coat Color Genetics, by Bowling, Ann T., Veterinary Genetics Laboratory, School of Veterinary Medicine, University of California, Davis, California 95616-8744. It has long been accepted that Overo coloring was controlled by an recessive gene "o". www.paha.org /oasis/97/genetics.htm

Color Genetics The basic equine coat colors are black, bay and chestnut and occur in nearly all breeds and are produced by the interactions of three genes: Agouti, Extension and Gray. Color dilution genes modify the basic colors and extend the array of horse coat colors. One frustrating aspect to breeding for color is that some mare's phenotype is not the same as their genotype. www.mountainoaksranch.com /new_page_2.htm

www.vgl.ucdavis.edu The Veterinary Genetics Laboratory has been approved by USDA/APHIS to perform sheep genotyping for the prion protein gene at codons 136, 154 and 171. The Veterinary Genetics Laboratory is now offering a diagnostic test to detect carriers of this fatal disease in foals with Quarter Horse bloodlines. The Veterinary Genetics Laboratory is now offering a diagnostic test to identify Persian and Persian based cats afflicted with PKD. www.vgl.ucdavis.edu

Equine Research Park-Coat Colors and Markings Coat color and white markings are genetically determined and, as a result, the variations are almost unlimited. The accurate description of coat color and white markings is the most common method used to identify horses. Coat Color Genetics (Veterinary Genetics Laboratory, UC Davis) www.vet.cornell.edu /PUBLIC/CUERP/marking.htm

horse breed genetics Horse lovers will have to admit that their equines of choice, however wonderful, would never allow themselves to be loaded up with 200 pounds of supplies and then be lowered, on a sling, off a cliff and into a jungle thousands of feet below. Genetics and Molecular Biology - Variation in the mitochondrial control region sequence between the two maternal... My genetics pages are based on books, journal articles, personal observations and other web pages. www.dnatestingsources.com /special/horse-breed-genetics/index.php

Equine Color - Horse & Pony Color Genetics Information Equine Color - Horse & Pony Color Genetics Information With conformation and temperament being equal, a person is more likely to pay a bit more for a horse with a color he or she favors than for one who's color they're not fond of. Because a horse's true genetic color can sometimes be hidden by the physical appearance, this site also includes how these colors are made genetically, all in easy to understand language. www.equinecolor.com

Circle H Publishing - Equine books about horses & horsemen Jim C. Hembree, B.S. The Crystal Ball of Equine Color is an easy-to-read, simplified text for expert horsemen and novices alike. Jolene Hembree, twelve-year-old daughter of Jim Hembree, has poetically captioned each drawing in such a way that it describes the color of the horses and provides a child’s insight to coat color. It’s handy for reference and takes a lot of the guesswork out of color genetics. www.circlehpublishing.com

COLOR GENETICS INFORMATION Champagnes that are genetically black are usually just called 'champagne'; in the past, they were often called 'lilac dun' because this champagne often has a purplish cast to the coat. The color takes its name from a strain of the TWH famous for this color, but it does occur in other breeds, where it is often mistaken for palomino, buckskin, or dun. Rabicano x any color This coloring is believed to be dominant, so it is best to have at least one parent with the pattern. starhold.150m.com /colrpage.htm

web.html Diagnostic Radiology :radiographs of the equine (horse)head and limbs www.medvet.umontreal.ca /biblio/web.html

Coat Colors Alleles and Actions of Horse Coat Color Genes Genetic Formulas and Color Definitions (please autoload images -- there are small images that must be loaded). Web Editor's note: This is revised from an article written by the author which was originally published in the November-December 1979 issue of "Equine Practice" and reprinted in the April 1980 issue of "Appaloosa News." www.vgl.ucdavis.edu /~lvmillon/coatclr.html

Coat Color Genetics Trace the history of the Appaloosa horse and explain and identify the evolvement of various coat color characteristics. This course provides the information and tools needed to make statistical predictions of the coat colors of foals based on genetic makeup of the sire and dam. Tobiano and Overo genes are examined to determine range of color patterns. www.donblazer.com /wwl/html/coat_color_genetics.html

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