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The frequency of colors in the Icelandic horses.

An observation has recently been made on the frequency of the main color genes in the icelandic horse, Iceland. Dr. Þorvaldur Árnason og Dr. Ágúst Sigurðsson calculated it from all horses that are registered in the Icelandic Horse Database (Fengur).

64.089 of 100.077 horses in Fengur were registered by color.

These are the main results: (A computing procedure for estimating genotype probabilities at eight individual colour loci in the Icelandic toelter horse. 49th Annual Meeting of the European Association for Animal Production. Warsaw Poland, 24-27 August 1998)

The frequency of the main golor genes:

Color	Number of horses	Percentage (%)
Chestnut	20342	31,74
Black	19259	30,05
Bay	10450	16,31
Albino (cremello/perlino)	64	0,1
Palomino	1892	2,95
Buckskin	751	1,17
Yellow dun and bay dun	3410	5,32
Blue dun	1942	3,03
Silver dapple	1113	1,74
Grey	4866	7,59
Tovero	5388	8,41
Roan	250	0,39

The frequency of the main color genes:

E 37,8%   e    62,2%
A 19,5%   a    80,5%
C 96,6%   Ccr 3,4%
D 4,5%    d    95,5%
G 3,9%    g    96,1%
Z 1,4%    z    98,6%
To 4,3%    to   95,7%
R 0,2%    r    99,8%

Palomino AND pinto... just imagine how rare this color is.

Silver dapple AND pinto AND blue dun... just imagine how rare this color is.
Bifröst from Sólheimum.

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