Genetics

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Glycogen-Branching Enzyme Deficiency (AAEP 2006)

Glycogen-branching enzyme deficiency, a genetic mutation affecting a particular glycogen-storage enzyme, is traced back to Quarter Horse sire King or his sire, Zantanon. Up to 8% of Quarter Horses and Paint horses carry the GBED defect.

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Hyperkalemic Periodic Paralysis: 14 Years Later

Sharon Spier, DVM, Dipl. ACVIM, PhD, associate professor at the University of California, Davis, has pioneered much of the research on HYPP. She presented updated information gleaned over the past 14 years on this disease at the 2006 AAEP

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The Genetics of Champagne Coloring


The champagne gene is a dominant dilution gene, first documented in 1996 by Philip Sponenberg, DVM, PhD, of Virginia Tech and Ann Bowling, PhD, of UC Davis. Prior to this the champagne gene was often misidentified. Many champagnes were

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Va. Tech Researcher Using Genetics to Preserve Rare Breeds

A professor of pathology and genetics at the Virginia-Maryland Regional School of Veterinary Medicine in Blacksburg, Va., has been working for more than 30 years to help save a rare breed of horses.


Colonial Spanish horses were the horse

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Horse Genome Map Complete

The first genome map of a horse is complete, providing scientists with a new set of tools for investigating equine disease, scientists at the Broad Institute, a part of the Massachusetts Institute of Technology, and the National Human Genome

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Clues to Blue Eyes

Now that the foal has safely made its way into the world, the breeder starts inventorying exactly what she has in front of her: a colt. Strong Quarter Horse body. Three small white socks and a broad blaze down the center of his face. One blue eye.

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Equids Quick to Evolve

Researchers with the University of Bari in Italy have discovered that equids, and particularly donkeys, evolved at a rapid pace. Their study was published in the June issue of Genomics.

The researchers came this conclusion after

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