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Table 1 Characteristics of dog breeds examined

From: Screening of the arrestin gene in dogs afflicted with generalized progressive retinal atrophy

Breed (abbreviation) Number of dogs Diagnosis Onset forms of gPRA Age distribution (year)f
Afghan Hound (AW) 1 gPRA-affected lateb 6
  4 normal   2–12
Australian Cattle dogs (AC) 2 gPRA-affected latea 10
  19 normal   2–4
Berger des Pyrénées (BDP) 1 gPRA-affected mid-onsetb 5
  42 normal   1–10
Berner Sennenhund (BS) 1 gPRA-affected lateb 10
Bolognese (Bo) 1 gPRA-affected lateb 9
Collie (Co) 3 gPRA-affected earlycd 4–8
  1 normal   8
Curly Coated Retriever (CCR) 1 gPRA-affected lateb 6
Dachshund (wire; D) 20 gPRA-affected variableb 1–13
  49 normal   6–13
Engl. Cocker Spaniel (ECS) 6 gPRA-affected latecd 3–11
  6 normal   6–14
English Springer Spaniel (SP) 1 gPRA-affected   7
Entlebucher Mountain Dog (EM) 17 gPRA-affected latee 5–13
  10 normal   1–7
Giant Schnauzer (GS) 1 gPRA-affected lateb 10
Golden Retriever (GR) 2 gPRA-affected lateb 5–10
  8 normal   3–6
Irish Setter (IRS) 2 gPRA-affected earlycd/lateb 0.6–7
  1 normal   3–13
Labrador Retriever (LR) 5 gPRA-affected latecd 8–12
  140 normal   3–13
Miniature poodle (MP) 28 gPRA-affected latecd 5–12
  15 normal   1–12
Newfoundland Dog (NF) 1 gPRA-affected mid-onsetb 3
Polski Owczarek Nizinny (PON) 1 gPRA-affected lateb 9
Rottweiler (Ro) 1 gPRA-affected lateb 3
Saarloos/Wolfhond (Sa) 7 gPRA-affected lateb 7–9
  118 normal   2–10
Schapendoes (SD) 3 gPRA-affected earlyd 2–6
  7 normal   3–6
Sloughi (Sl) 5 gPRA-affected mid-onsetb 2
  183 normal   0.1–12
Tibetan Terrier (TT) 3 gPRA-affected mid-onsetcd 7–8
  93 normal   2–10
  1. a[34]. b owners report/certificate of eye examination. c classifications of the different onset forms of gPRA in the reviews [1] and [2]. d online information among PRA Today http://www.sheepdog.com/diseases/pra/clinical. e[35]. f at the time when blood was taken for DNA analysis.