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The Himalayan cat is a longhaired breed in the USA very similar to the Persian (it is considered to be a type of Persian in other countries). With blue eyes and its point colouration, which were derived from the crossing of the Persian with the Siamese.
Health and welfare of cats with flattened faces (severe brachycephalia)
Cats that have been bred with extremely short, flat faces (called brachycephalic) undergo substantial and significant changes to the shape of the whole skull and the associated structures. There will be jaw deformities, which can lead to dental disease and potential problems with eating and drinking; there are usually small nostrils and a soft palate which is too long, which can lead to severe breathing problems; the tear ducts cannot follow their natural path and drain properly into the nose, so the eyes run constantly and cause tear-staining on the face and sometimes secondary sores. The flat nature of the face also increases the chances of eye disease, and the jaw abnormalities will make grooming much more difficult.
The multiple problems that arise from breeding flat-faced cats mean that we are definitely harming the cat by choosing to breed them in this way, and International Cat Care believes breed standards should be changed so that no cat should suffer as a result of conforming to human-imposed ideals.
Health and welfare issues – other
The Himalayan may be predisposed to hip dysplasia.
We have limited the information about inherited disorders to those conditions that are known and proven to exist within a breed. For many breeders and many conditions, insufficient information may be available at this time to know whether any particular breed is necessarily free of any particular condition.
In general, pedigree breeds use a much smaller gene pool for breeding than domestic cats and therefore have a higher risk of developing inherited disorders. In addition, a number of ‘newer’ pedigree breeds are derived from matings between one or more ‘older’ breeds, and in these situations perpetuation of inherited problems that were seen in older breeds is likely within the newer breeds.