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WHITE CATS ARE NOT ALL ALBINOS

First broadcast on www.provet.co.uk on March 20th 2000.


This information is provided by Provet for educational purposes only.

You should seek the advice of your veterinarian if your pet is ill as only he or she can correctly advise on the diagnosis and recommend the treatment that is most appropriate for your pet.

An "Albino" is any person, animal or plant which congenitally lacks pigment

In true albinism there is no pigmentation at all in skin or hair...so, as you might expect the hair is not just blonde but white, however because of the blood supply to underlying tissues the skin takes on a pink color.

Pets that appear to have a white hair coat are not necessarily "albinos"...because there may be some pigment present either as flecks in the coat, or it is so feint that the coat appears to be white. Most white-coated animals have pigment in other sites such as the iris of the eye . White cats usually have one of the following eye color varieties :

  • Blue-eyed
  • Odd-eyed
  • Orange-eyed (also called copper-eyed)

 

White cat with odd-eye coloration

In white cats the coat color is determined by genes, and white is usually the dominant gene color, so mating with a white cat is likely to produce white offspring -  but even mating two white cats does not necessarily produce white kittens because the genetic mix also includes genes for other colors.  

Having said this true albino cats do occur from time to time as an uncommon genetic variation having two recessive genes - they have pink eyes, pink skin and white hair coat. 

Sadly, in cats white coat color is often associated with an irreversible congenital deafness which is also genetically transmitted...so the breeding of cats known to belong to lines of cats affected with this problem and white hair should not be used for breeding.