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Is there more than one type of PRA in American Eskimo Dogs?

April 26, 2017American eskimo PRA type

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Is there more than one type of PRA in American Eskimo Dogs?

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The only known form of inherited PRA in American Eskimo Dogs is prcd-PRA. Other retinal diseases can be confused with prcd-PRA. For example, multi-focal retinopathy is a non-inherited disease seen in this breed. Multi-focal retinopathy is usually asymmetric (different symptoms in each eye), shows foci of what appears to be healed inflammation, and can cause a generalized retinal atrophy. Also, cases of acquired retinal disease due to various non-genetic causes like trauma, active work, etc., can be confused with PRA. The OptiGen prcd-PRA test will accurately distinguish dogs with acquired disease or multi-focal retinopathy from truly prcd-PRA affected dogs.