Various studies came to the conclusion where 17 to 22 of white cats without blue eyes are born deaf. This is called congenital deafness.
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Not all white cats are deaf.
All white cats deaf. This means that not all white cats are deaf so are the chances of having blue eyes. Congenital sensorineural deafness in cats - Wikipedia White cats with yellow or green eyes like my Azura do not have this gene. This percentage is even higher up to 40 in cats that have only one blue eye and somewhere between 65-85 of all-white cats are born deaf.
In the case of an odd-eyed cat with one blue eye the ear on the side of the blue eye can be the deaf one. Black and white cats do however have a different physique than most felines. 20-40 have normal hearing.
30-40 had one blue eye and were deaf while 60-70 had one blue eye and normal hearing. The percentage of deafness in white cats with one blue eye rises to 40 percent while 65 to 85 percent of all-white cats with two blue eyes are deaf. Researchers found that only 17 to 22 percent of white cats with non-blue eyes are born deaf.
Not all white cats are deaf. Additionally not all white cats are deaf and although deafness is more common in white cats with blue eyes not even all blue-eyed white cats. No they are not deaf at all.
Deafness in white cats typically is a genetic condition resulting from the dominant white gene commonly referred to as the W gene. 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. The reasons for it are genetic but are very different from simply being caused by one gene.
This phenomenon will be explained below in the genetics paragraphs. According to the Feline Health Center at Cornell University research has found that only 17 to 22 percent of all-white cats without blue eyes are born deaf. White cats should not be confused with albino cats.
Some of these cats are deaf in only one ear. The probability of being deaf is based on the color genetics of the cat. This is not always the case.
This interplay with traits is caused by factors such as the environment or presence of other genes. Contrary to popular belief white cats are no more likely than any other coat color to be deaf. In most cases of congenital deafness the deafness is pigment related and most of these cats have an all-white or mostly white haircoat.
Published on 14th December 2019 Surely youve ever heard that white and blue-eyed cats are deaf. Some cats are born partially or completely deaf because of a genetic defect. White cats need to inherit a particular gene or gene complex to be diagnosed deaf.
It is curious to note that that particular cat could have shown a wide range of colors. Hereditary deafness is a major concern in white cats and even more so if one or both irises are blue in color. When cats with the W gene are bred the resulting litters have the chance to inherit faulty hearing.
Some people say that deafness in a cat is due to hearing loss but the change in ear canal size does not change how the cats here and there is no evidence of any other loss of hearing that would make a cat deaf. For one to make sure that ones cat is not deaf even if it has these traits one must try the Brainstem Auditory Evoking Response BAER Testing that is. The key determiner in deafness in all-white cats lies more in the color of their eyes than that of their coats.
Its important to remember that not all white cats with blue eyes are naturally deaf. Cats can be deaf in one or both ears. Specifically it is white cats with blue eyes that are likely deaf and that is due to a genetic defect.
Research has determined that if the cats right eye is blue she will be deaf in the right ear and if her left eye is blue hearing loss on the same side. It is possible to have a cat with a naturally white coat without this gene as an extreme form of white spotting although this is rare some small non-white patch usually remains. Of those white cats with one or two blue eyes 60-80 are deaf.
Many But Not All White Cats Are Deaf. Its believed that the ear closest to the oddly. Veterinerman Instagram The same genetic factors that give white cats their snowy coats and unique eye colors can also cause total or partial deafness in many kitties.
For deafness in white cats is not carried by a specific gene. 15-40 of these pure white cats have one or two blue-eyes. It is this W gene which is the most prone to causing deafness in white cats.
If youre looking to add a white cat to your family but arent sure you can properly care for a deaf cat make sure your white cat is a purebred. All white cats due to the dominant W gene We find in the last group those that are white due to the dominant gene W. Cats with the so-called W white gene are at risk for deafness but in many cats this gene isnt turned on.
A common misconception is that all white cats with blue eyes are deaf. Are White Cats More Prone to Deafness. Colored eye or both ears if both eyes are uniquely colored will be the ear with.
5 of the general cat population is white cats ie. All-white cats are the feline version of people with naturally blonde hairsomething only 2 to 3 percent of the human population can claim. White cats and in particular white cats with blue eyes are prone to deafness.
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