Table 1. Summary of phenotype (including breed, number of male and female dogs investigated and number of cases) used to perform GWAS in our analysis.
| No. | Breed name | No. of dogs investigated | PRA-affected dogs |
|---|---|---|---|
| 70 females 58 males | |||
| 1 | Beagle | 3 | 1 |
| 2 | Bichon Fris | 1 | 0 |
| 3 | Chihuahua | 6 | 1 |
| 4 | Cocker Spaniel | 8 | 3 |
| 5 | Dachshund | 3 | 1 |
| 6 | Doberman | 1 | 0 |
| 7 | German Shepherd | 1 | 0 |
| 8 | Golden Retriever | 1 | 0 |
| 9 | Maltese | 30 | 3 |
| 10 | Miniature Pinscher | 3 | 1 |
| 11 | Mixed | 19 | 2 |
| 12 | Parson Russell Terrier | 2 | 1 |
| 13 | Pomeranian | 3 | 1 |
| 14 | Poodle | 20 | 7 |
| 15 | Schnauzer | 4 | 1 |
| 16 | Shih Tzu | 10 | 2 |
| 17 | Spitz | 1 | 0 |
| 18 | Yorkshire Terrier | 12 | 4 |
GWAS, genome-wide association study; PRA, progressive retinal atrophy.