Junctional Epidermolysis Bullosa (JEB), Saddlebred form

Why test for JEB?

Junctional epidermolysis bullosa (JEB) causes a failure in the skin's normal attachment to the body. Affected foals are usually born alive, but will develop sores and skin tears extremely easily. There is currently no effective treatment for JEB.

JEB is an autosomal recessive disorder. Autosomal disorders are equally likely to affect male or female horses, while "recessive" means that a horse needs to inherit the JEB mutation from both its sire and its dam to be affected. Horses that have inherited the JEB mutation from just one parent are called JEB carriers, and do not have physical signs of this disorder.

Any JEB carrier can potentially produce a foal suffering from JEB. Fortunately this is easily avoided: you simply need to ensure that the prospective foal cannot inherit the JEB mutation from both its sire and its dam. Therefore, if you have a JEB carrier horse and it is mated to a JEB-clear horse there is no risk of the foal being affected with JEB.

JEB

The Saddlebred form of JEB has been detected in Saddlebreds and Racking Horses. It may also be present in other related breeds, and part-bred horses with some Saddlebred blood.

This test is not useful for detecting JEB in heavy horses.

Purchase equine DNA testing

Price per horse = sample processing ($40) + tests

Inherited disorders

Pure and part-bred Arabian

$14 Cerebellar abiotrophy (CA) ...read more
$14 Severe combined immune deficiency (SCID) ...read more
$14 Lavender foal syndrome (LFS) ...read more

Fell Ponies, Dale Ponies and Gypsy horses

$14 Foal immunodeficiency syndrome (FIS) ...read more

Pure and part-bred Friesian

$19 Friesian dwarfism ...read more
$14 Hydrocephalus (Friesian and other breeds) ...read more

Various breeds

$14 Polysaccharide storage myopathy type 1 (PSSM1) ...read more

Quarter horses and related breeds

$14 Malignant hyperthermia (MH) ...read more
$14 Hyperkalemic periodic paralysis (HYPP) ...read more
$14 Hereditary equine regional dermal asthenia (HERDA) ...read more
$19 Glycogen branching enzyme deficiency (GBED) ...read more

Saddlebred horses and related breeds

$14 Junctional epidermolysis bullosa, Saddlebred form (JEB) ...read more

Coat colour tests

Base coat colours

$9 Agouti (the bay factor) ...read more
$9 Extension (red/black) ...read more

Coat colour dilutions

$9 Cream ...read more
$9 Dun and d1 ...read more
$9 Silver ...read more
$9 Champagne ...read more
$9 Pearl ...read more

Coat patterns

$9 Grey ...read more
$9 Appaloosa or leopard (CSNB) ...read more
$9 PATN1 ...read more
$9 SW1 (Splashed White 1) ...read more
$9 SW2 (Splashed White 2) ...read more
$9 Frame overo (OLWS) ...read more
$9 Tobiano ...read more
$9 Sabino 1 ...read more
$9 W13 dominant white ...read more
$9 W20 white markings ...read more
$9 Roan marker ...read more

Parentage/DNA profile

$33 DNA profile (microsatellite) ...read more

Please check with your breed society before
testing for registration; some organise
their own parentage testing.
This order includes:
Samples from offspring and both parents
Samples from offspring and one parent
Offspring sample, parent profile certificates
Offspring sample; parents on file
One sample; no parentage verification

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