Distribution of the KIT Splice Site Mutation According to Breed and Coat Color
| Breed | Coat color | Genotype | Animals tested | Splice mutation[i] |
| Unrelated animals | ||||
| Large White | white | I/−[ii] | 33 | 33 |
| Landrace | white | I/−[ii] | 56 | 56 |
| Hampshire | colored | i/i | 5 | 0 |
| Duroc | colored | i/i | 5 | 0 |
| Pietrain | colored | i/i | 8 | 0 |
| Meishan | colored | i/i | 5 | 0 |
| Wild Boar | colored | i/i | 2 | 0 |
| Animals from a Large White/Wild Boar intercross | ||||
| white | I/I | 13 | 13 | |
| white | I/Ip | 12 | 12 | |
| white | I/i | 14 | 14 | |
| patch | Ip/i | 7 | 0 | |
| colored | i/i | 12 | 0 | |
[i] Presence of the splice site mutation was determined by an NlaIII PCR RFLP test.
[ii] A white animal may be I/I,I/Ip , orI/i.