From: Molecular epidemiology of canine GM1 gangliosidosis in the Shiba Inu breed in Japan: relationship between regional prevalence and carrier frequency
District
Examined dogs
Genotypes
Wild-type
Carrier
Hokkaido
23
22
1
Tohoku
17
0
Kanto
227
226
Chubu
135
Kinki
132
129
3
Chugoku
9
Shikoku
2
Kyushu*
42
Unknown
Total
590
584
6