We are taking a summer break from December 21 to January. You can still place orders now and while we are on break. If we we receive but don't finish testing your samples before Christmas they will be at the top of our list when we re-open in January. Samples that arrive during the break will be stored carefully for testing in January.
Thanks for all the testing you've sent us this year, and have a wonderful summer!
DNA testing for health and appearance genes in dogs
Learn about one of the tests we do: Collie eye anomaly
Collie eye anomoaly (CEA) can cause total or partial blindness and occasionally bleeding inside the eye. It is also called choroidal hypoplasia.
The choroid is a layer of tissue under the retina with lots of blood vessels. In dogs with CEA it does not develop properly. In most cases the abnormal choroid is present at birth and can be seen in an eye examination at 4-8 weeks of age.
CEA is an autosomal recessive disorder. Autosomal disorders are equally likely to affect male or female dogs, while "recessive" means that a dog needs to inherit the CEA mutation from both its parents to be affected. Some dogs that inherit the CEA mutation from both parents are unaffected. This is why we categorise this test as a marker rather than a causative mutation.
Gene or region and technical reference
Gene: NHEJ1 (marker). Reference: Parker et al. (2017)
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