The specific mutation that causes Dun has not yet been identified, and there is no direct test for the gene. VGL has identified DNA markers associated with Dun that can be used to determine if a horse has the Dun gene and how many copies. ">
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Dun Zygosity

Test number: 8150H

Dun

Breed
All Horse Breeds .
Description

Dun is a dominant gene that dilutes the color of body hair, leaving the points and head unaffected. Dun horses also show "primitive markings" consisting of a dark dorsal stripe, leg barring, shoulder stripes and concentric marks on the forehead (spiderwebbing, cobwebbing). The dorsal stripe appears to be a consistent feature of dun horses while the other "primitive marks" vary and may not all be present, or visible. The effect of the Dun gene on the base colors of chestnut, bay and black produces horses with shades that range from apricot, golden, dark gray, olive, and many, more subtle, variations. Dun is inherited independently of other coat color genes and can occur in combination with any other genes that modify the base colors.

The specific mutation that causes Dun has not yet been identified, and there is no direct test for the gene. VGL has identified DNA markers associated with Dun that can be used to determine if a horse has the Dun gene and how many copies.

Sample Requirements
Hair Sample from mane with roots (approx 30 hairs) , Buccal Swabs or 1 ml whole blood in EDTA tube.

How to obtain a viable hair sample

Pull around 30 hairs from the mane of the horse with the roots (in faols hair from the tail maybe taken). Wrap the hairs around your finger or a comb, as close as possible to the skin to ensure you obtain the hair roots. Keep dry, put in a bag, label the bag with the horse name, test (s) required. Place in an envelope and send back to us together with the order form. Broken or cut off hair will not be accepted.

Hair sample from mane with roots (approx 30 hairs) , Buccal swabs or 1 ml whole blood in EDTA tube.

How to obtain a viable hair sample

Pull around 30 hairs from the mane of the horse with the roots (in faols hair from the tail maybe taken). Wrap the hairs around your finger or a comb, as close as possible to the skin to ensure you obtain the hair roots. Keep dry, put in a bag, label the bag with the horse name, test (s) required. Place in an envelope and send back to us together with the order form. Broken or cut off hair will not be accepted.

.
Turnaround
4 - 5 weeks
Price
Number of Coat Colour Tests on the same horse Price (including VAT)
First Colour test £ 48.00
Each additional colour test on the same horse £ 24.00

To order:

  • Download Order Form from this link pdf

  • Complete the order form and send it together with your samples to the following address:

    Laboklin (UK),   125 Northenden Road, Manchester, M33 3HF

See Also:
Coat Colour chestnut (Red Factor)  
Curly Coat  
Tobiano (Tobiano Spttings)  
Greying  
Coat Colour Champagne  
Coat ColourSabino  
Dominant white (GQ Santana dominant white W10)*  
Leopard complex  
Pearl *  
Roan Zygosity*  
Silver  
Splashed white (SW1 , SW2 , SW3 and SW4)  
Coat Colour black / Bay (Agouti)  
Camarillo White - W4  
Appaloosa Pattern 1 (PATN-1) *  
Coat Colour Cream / Dilution  

 
 
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LABOKLIN GmbH & Co. KG
ISO / DIN 17025 Accredited Laboratory
© 2007 Laboklin (UK)
125 Northenden Road, Manchester, M33 3HF
Tel. 0161 282 3066