Table 2. The results of genetic test in relation to the breeds of cats.

Breed	Positive (n)	Negative (n)	Positive rate (%)	Total number
Persian cats	36	43	46	79
Exotic Shorthair	16	55	23	71
Scottish Fold	37	32	54	69
American Shorthair	16	18	47	34
Munchkin	6	10	38	16
Maine Coon	2	2	50	4
Japanese mixed breed	26	22	54	48
Other western mixed breed	8	3	73	11