Friday, January 2, 2015

Veterinary Highlights: Testing for Progressive Retinal Atrophy, GR1 and GR2 Now Available for Golden Retrievers

Progressive Retinal Atrophy (PRA) is a group of inherited diseases of the retina (the light-sensitive part of the eye) in dogs, in which the rod cells in the retina are programmed to die, resulting in impaired vision or even blindness.


Various forms of PRA affect over a hundred different breeds.

PRA-GR1 and PRA-GR2 start with night blindness and loss of peripheral vision, progressing to complete blindness.

If both parents carry the mutation, about 25% of puppies will be born affected. That's where genetic testing comes in to prevent producing affected puppies.

In addition to GR1 and GR2, Paw Print Genetics also offers testing in Golden retrievers for a third form of PRA caused by a mutation in the PRCD gene, known as progressive retinal atrophy, progressive rod-cone degeneration (PRA-prcd)

Source article:
Testing for Progressive Retinal Atrophy, GR1 and GR2 Now Available for the Golden Retriever 

1 comment

  1. If both parents carry the mutation, about 25% of puppies will be born affected. That's where genetic testing comes in to prevent producing affected puppies.Anında kredi imkanı

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