Cat Eye Syndrome in people, so called because the pupil can be a cat-like slit

Cat Eye Syndrome can give the human eye an aesthetically pleasing appearance with a cat-like slit but the pupil shape varies and there are many potential serious associated anatomical defects

We know that domestic cats’ pupils can contract to a slit rather than a small circle. Tigers have circular pupils incidentally. The reason for this is that it helps to stop more light hitting the retina because the pupil works in conjunction with the eyelid which passes over the eye like a blind. It …

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The most expensive cat breeds to insure in the UK 2024 infographic. Source: Which?

The most expensive cat breeds to insure in the UK 2024. Source: Which?

Got to briefly comment on this. The insurance cost must be directly related to the inherited health of the cats in the respective cat breeds. The table clearly indicates that the Maine Coon costs caregivers the most in terms of veterinary bills. This must mean that this beautiful and third most popular breed is …

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Primary Abyssinian cat health problem is inherited progressive retinal atrophy (PRA) causing blindness

Progressive retinal atrophy (PRA), a hereditary eye disease leading to blindness, was found in the Abyssinian breed of cat

Introduction: I am focusing on the primary health problem suffered by this cat: inherited progressive retinal atrophy which is very serious. The first section was written by ChatGPT, an AI computer. It is well written and accurate in my view. There follows references to 3 studies. Progressive retinal atrophy (PRA) is a group of …

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Infographic on hip dysplasia in Maine Coon cats

Maine Coon with a hint of tiger

This is a cross-post with another website which happens to be dedicated to Maine Coon cats. As far as I’m concerned, it is a crying shame that this magnificent domestic cat – probably the largest domestic cat breed – is so blighted by a genetic inheritance which in 25% of adults cripples them. It …

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Bengal Nose

'Bengal nose'

Bengal Nose – a comparison between a good nose and an affected nose – photo copyright Helmi Flick This page was first written, as I recall, in around 2009. It has been updated on more than one occasion including today June 5, 2022 at which point I have republished it. My understanding of the …

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Persian cats introduced polycystic kidney disease into British Shorthair cats

Brit SH kittens

Polycystic kidney disease (PKD) is the most common inherited disorder in cats according to a 2015 study. It is present in British Shorthair cats. Both the Persian and the British Shorthair carry the same genetic mutation causing the disease. It is an autosomal dominant mutation in exon 29 of the polycystin-1 gene. So how …

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Hypertrophic cardiomyopathy (HCM) affects 10% of British Shorthairs

Sadly, there are studies, one of which I am reading right now, which confirm that this very popular cat breed (particularly the blue) suffers from a high prevalence of HCM, often of early onset and with a significant male sex predisposition. In other words, male cats are predisposed to get it at a young …

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Intermittent open-mouth locking in Persian cats

Persian cat

This is a condition which I have only just, today, bumped into on the Internet. It’s another inherited condition affecting Persian cats or it’s due to the abnormality of the bone structure of the Persian cat’s head. Although it is very rare. I’ve just written an article about the waning popularity of Persian cats …

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