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Pigment types of various color genotypes of horses
D P Sponenberg1, S Ito, L A Eng
1Virginia-Maryland Regional College of Veterinary Medicine, VPI&SU, Blacksburg, Virginia 24061.
Pigment Cell Research
|January 1, 1988
Abstract:
Hair samples of various colors of horses were analyzed for content of both eumelanin and pheomelanin by a procedure using high performance liquid chromatography. The results are in accord with generally accepted genetic hypotheses accounting for the various colors. However, the results support the hypothesis that the chestnut/sorrel group of colors is conditioned by the extension locus, not the brown locus. The results also indicate that the brown locus is a likely contributor to some rare color phenotypes.