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Abstract
Extract
Madam:– In 1984 Bedford(Citationl) described a retinal pigment epithelial dystrophy (RPED) in the Briard breed in Great Britain. In a five year survey involving approximately 70% of the Briard popula'tion in Great Britain, 31 % of dogs 18 months of age or older were affected with a primary retinal pigment dystrophy which causes secondary neuroretinal degeneration and in some dogs subsequent blindness. The age of onset of the condition in the British dogs was extremely variable. The majority developed the disease during the two to six year period of their lives but dogs as young as 17 months and as old as nine years were found to be affected for the first time.