Colortest E ExtensionHorse

40,00

Generally this test is performed with Agouti

Tests turnaround : 3-6 days or Express 3 days
Breeds : Many breeds, see product description
Samples : Mane, or Blood in EDTA tube, or Blood in dry tube

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SKU: colortest-e-extension-horse Category:
E/E Black or bay (depending on agouti)
E/e Black or bay (depending on the agouti)
e/e Chestnut

What is the colortest E Extension ?

The Extension allows to differentiate the Chestnut from the black color and bay color.

However this genetic test is generally done with the agouti test. Because the combination of the Agouti and the extension test permit to differentiate the three primary coat color of horse : Black, Chestnut and Bay.

You can find more information of the horse coat color with drawings on this page.

Relationship between coat color and extension

ExtensionE/E or E/e
Black
black horse
e/e
Chestnut
Alezan horse
AgoutiA/A or A/a
Bay
bay horse
a/a
Black
black horse
A/A or A/a or a/a
Chestnut
Alezan horse

Type of sample

Here is the list of the different types of samples that are accepted for this test :
  • Mane
  • Blood in EDTA tube
  • Blood in dry tube

Available breeds for the test : Colortest E Extension - Horse


The following breeds are recognized :
  • Crème (CR)
  • AES
  • Akhal-Teke (AT)
  • Anglo-Arabe (AA)
  • Appaloosa (APPAL)
  • AQPS (AQPS)
  • Arabe (AR)
  • Ardennais (AB)
  • Auvergne
  • Auxois (AUX)
  • Barbe (BA)
  • Baudet du Poitou (BDP)
  • Boulonnais (BOUL)
  • Breton (BR)
  • BWP
  • Camargue (CAM)
  • Castillonnais (CAST)
  • Cheval Corse
  • Cheval de race Auvergne
  • Cob irlandais
  • Cob normand (COBND)
  • Comtois (COMT)
  • Connemara (CO)
  • Dales
  • Dartmoor (DA)
  • Dutch Riding Pony (DRP)
  • Fjord (FJ)
  • Franches Montagnes (FRMON)
  • Frison (FRI)
  • Gypsy cob (TGCA)
  • Haflinger (HAF)
  • Hanovrien
  • Henson (HEN)
  • Highland (HIG)
  • 29 other breeds are available. Display all these breeds.

Understanding results of the test : Colortest E Extension - Horse


E/E Black or bay (depending on agouti)
E/e Black or bay (depending on the agouti)
e/e Chestnut
Test name : Colortest E Extension - Horse
Gene Mutation : MCR1
Heredity : autosomal recessive (more information)
Penetrance : complete (more information)
Test resultColortest E Extension - Horse status (MCR1 )Color (Phenotype)
N/NNo copy of the Extension mutationAnimal is not Colortest E Extension - Horse
N/Extension1 copy of the Extension mutationAnimal is not Colortest E Extension - Horse
Extension/Extension2 copies of the Extension mutationAnimal is Colortest E Extension - Horse

Cross table of the test : Colortest E Extension - Horse


Mother N/NMother N/ExtensionMother Extension/Extension
Father N/N100% N/N50% N/N
50% N/Extension
100% N/Extension
Father N/Extension50% N/N
50% N/Extension
25% N/N
50% N/Extension
25% Extension/Extension
50% N/Extension
50% Extension/Extension
Father Extension/Extension100% N/Extension50% N/Extension
50% Extension/Extension
100% Extension/Extension

Certificate example for the test : Colortest E Extension - Horse

Click on the example certificate below to open it.

certificate

References

Royo LJ, Fernández I, Azor PJ, Alvarez I, Pérez-Pardal L, Goyache F. Technical note: a novel method for routine genotyping of horse coat color gene polymorphisms. J Anim Sci. 2008 Jun;86(6):1291-5. doi: 10.2527/jas.2007-0498. Epub 2008 Feb 29.

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