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Genotyping of coat color genes (MC1R, ASIP, PMEL17 and MATP) polymorphisms in cold-blooded horses bred in Poland reveals sporadic mistakes in phenotypic descriptions

Jakub Ciesla
Department of Horse Breeding, Poznań University of Life Sciences, Wołyńska 33, 60-637 Poznań, Poland
Abstract :
Equine coat color is an important phenotypic trait, predominantly within the context of correct animal
identification. Due to the increased import of horses to Poland during the last years, uncommon coat
colors seem to occur more often. In this study, we have analyzed the genotypes of cold-blooded
horses representing four breeds (Polish Cold-blooded Horse, Belgian Draft Horse, Percheron Horse
and Ardennes Horse) for genes determining basic coat colors
(MC1R
and
ASIP)
as well as silver and
cream dilutions
(PMEL17
and
MATP).
We have also compared the results of our molecular study
with the coat color of each horse listed in the breeding documents. Uneven distribution of genotypes
between the investigated groups was observed. Moreover, we have identified several mistakes in
coat color descriptions of horses, which justifies the necessity for genetic testing, particularly in case
of coat colors difficult to categorize “by eye”. We also suggest to extend the list of horse coat colors
recognized by the Polish Horse Breeders Association.
Keywords :
old-blooded horses / coat colors genes / genotype frequency / SNP

Date Deposited : 02 Apr 2015 09:58

Last Modified : 02 Apr 2015 09:58

Official URL: http://www.ighz.edu.pl/?p0=5&p1=34

Volume 31, Number 2, - 2013

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