White Cats With Blue Eyes Are Usually Deaf

The percentage rises to 40 percent if the cat has one blue eye while upwards of 65 to 85 percent of all-white cats with both eyes blue are deaf. If a white cat has 2 blue eyes it is 3-5 times more likely to be deaf than a cat with 2 non-blue eyes and a cat with 1 blue eye is about twice as likely to be deaf as a cat with 2 non-blue eyes. Interestingly if a white cat with one blue eye is deaf in only one ear that ear will invariably be on the same side of the head as the blue eye.

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And 65 to 85 percent of white cats with two blue eyes were deaf.

White cats with blue eyes are usually deaf. Cornell University cites a study that found that 17 to 22 percent of white cats with non-blue eyes were born deaf. Unilateral and bilateral combined of 85 and 649 in cats with two blue eyes 40 and 391 in cats with one blue eye and 167 and 22 in cats with no blue eyes. No this is not always the case.

The gene responsible for the deafness in white cats is dominant and symbolised by the letter W for white obviously. Why are white cats with blue eyes usually deaf. Another thing about blue-eyed white cats is that they are photophobic.

Why are white catswith blue eyes usually deaf. The degeneration of the auditory apparatus near the ear cause deafness in the white cat. First of all it can be said that not all white cats are deaf but they are more likely to be deaf since they carry the so-called gene W White of white in English especially those that have one eye of each color or blue eyes.

Overall deaf cats with white coat colour and one or both blue eyes make up around about 1-15 of the total cat population. White cats generally have blue eyes or reddish eyes within the case of albinos. Deafness is caused by an absence of a cell layer in the inner ear that originates from the same stem cells as well.

The blue eyes in a piebald or epistatic white cat indicates a lack of tapetum. Cataracts are not the only cause of cats with blue eyes. Richards J 1999.

Not all white Cats are Deaf. A cat with an extreme form of the white-spotting gene may have more-or-less the same coloring maybe a few blond or gray hairs but is no more likely to be deaf than any other cat. Albino cats are not linked to deafness.

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