Deafness in white cats
An all-white cat, especially one with blue eyes, is sometimes born deaf, in one or both ears. In Vans with the usual van pattern this is rare: they have a different gene for their white. In a Turkish study of 300 white Van cats about 1 in 7 was deaf, and none of the cats with colour on the head. A deaf cat usually lives well indoors.
How it is found: A hearing test (BAER) of white kittens. Britain's GCCF asks for one for every Turkish Vankedisi. There is no DNA test.






