Table 1. Observed frequencies of mdr1-1Δ in affected breeds.
| Allele, %
|
Genotype, %
|
||||
|---|---|---|---|---|---|
| Breed | No. of dogs | mdr1-1Δ | mdr1-1Δ/mdr1-1Δ | mdr1-1Δ/MDR1 | MDR1/MDR1 |
| Australian Shepherd | 178 | 16.6 | 1.7 | 29.8 | 68.5 |
| Australian Shepherd, Miniature | 56 | 25.9 | 3.6 | 44.6 | 51.8 |
| Collie | 263 | 54.6 | 31.2 | 46.8 | 22.0 |
| English Shepherd | 91 | 7.1 | 0 | 14.3 | 85.7 |
| Longhaired Whippet | 89 | 41.6 | 15.7 | 51.7 | 32.6 |
| McNab | 35 | 17.1 | 2.8 | 28.6 | 68.6 |
| Old English Sheepdog | 151 | 3.6 | 0 | 7.3 | 92.7 |
| Shetland Sheepdog | 190 | 8.4 | 1.1 | 14.7 | 84.2 |
| Silken Windhound | 84 | 17.9 | 1.2 | 33.3 | 65.5 |