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Speaking of folded-ear cats, many people who like cats are probably familiar with it.
In the cat world, there is another kind of cat that, like the folded-eared cat, is formed by genetic mutations.
It differs from the folded-eared cat in that the mutation is in the position of the "tail" and the appearance is "short tail" or "tailless".
Therefore, it is called "tailless cat", also known as the Isle of Man cat, the Isle of Man cat and so on.
Their hind legs are longer than the front legs, and their limbs are developed, and when they run and jump, they resemble rabbits, so they are also known as rabbits and cats.
But after all, it is a genetic mutation, and some Man Island cats, like the folded-eared cats, cannot escape the fate of disease.
Let's first understand the Isle of Man cats to see why they also have diseases.
There is a legend about the origin of the Isle of Man cat:
"The Isle of Man cat, which stepped on Noah's Ark one step later than other animals, had its tail clipped off when it closed the door, and it became today's tailless cat."
In fact, it is not so magical, the Isle of Man cat is loved by many merchant ships because of its strong ability to catch rats, so it is taken to the ship to prevent rat plagues.
The number of Isle of Man cats in these boats is limited, so they will always be inbreeding, and they are prone to genetic mutations.
This mutated gene is called the "Isle of Man gene."
The fate of the Isle of Man cat is also more extreme, in normal times, it is called a "longevity cat", generally can live for 15 to 20 years.
Once it is not normal, it is a "short-lived cat".
Because the Isle of Man gene firmly controls the length of life of the Isle of Man cat, that is, the Isle of Man gene determines whether the cat suffers from "Man Island cat syndrome".
02 The Tragedy of the Isle of Man Cat - "Man Island Cat Syndrome"
The Isle of Man gene, like the folded-eared cat, is an incomplete dominant gene.
It is diluted by normal genes, so there will be different degrees of "short tail" or "no tail" phenomenon.
If tailless and tailless mating, it will enhance the performance of the Isle of Man gene, mostly resulting in stillbirth, and the central nervous system abnormalities can be seen with the naked eye.
Even if there is no abnormality at birth, after weeks and months, there will be severe bowel or bladder disorders, or even severe walking difficulties.
If it is tailless mating with a normal tail, this symptom or mild symptom may also occur.
However, the severity of the symptoms depends on the degree of deformity of the cat's spinal cord and horsetail.
The specific symptoms of Isle of Man cat syndrome are:
Mild or complete paralysis of the hind limbs
Bladder weakness
Loss of and bladder sphincter tone
Megacolonism
reflexes disappear
Incontinence
20% of Isle of Man cats suffer from varying degrees of Isle of Man syndrome, which usually only live for 3 to 5 years or die before they are even born.
But almost all cases of disease are Man Island cats that have no tail vertebrae at all.
Some Isle of Man cats also develop spina bifida, end of spinal cord, or equina equina deformity.
The spinal nerves mainly innervate the colon, bladder, hind limbs and genitals, so Man Island cats usually have symptoms of urinary and urinary incontinence.
Some cats with spina bifida also have complicated meningocyrosacs, causing spinal fluid loss.
Cats with extremely short tails or no tails are also prone to arthritis.
Therefore, it should be avoided and bred with 2 Isle of Man cats that have no tail at all.
Raising Isle of Man cats was very popular in Europe and the United States for a while, and the price on the market is not cheap.
As a result, some unscrupulous merchants have cut off the tail vertebrae of the isle of Man cat that was just born with a tail and sold it.
Some even have their short (looks like Man Island cat) tail vertebrae removed to impersonate Man Island cats.
Fortunately, these acts were later banned.
Generally, according to the clinical symptoms of Isle of Man cat syndrome, the severity of cat disease can be clearly seen.
However, some concurrent body abnormalities need to be judged by examination.
Neurological examination: focuses on tail spinal cord function
X-ray, myelography, MRI: check for abnormalities in the spinal cord to determine if the spinal cord is compressed or if a spinal sac is present.
The isle of Man syndrome is treated with medications, which are as useless as treating joint disease in cats with folded ears, but can have a certain alleviating effect.
Anti-inflammatory drugs: Relieves certain pain or arthritis.
Dysuria: If the cat has difficulty urinating, it is necessary to manually squeeze the bladder to help urinate, but there is some harm to the bladder, and urine retention may cause urinary tract infection and inflammation.
Difficulty defecating: give stool softeners or consume highly digestible, highly absorbed prescription cat food.
Surgical intervention is required if compression of the spinal cord is examined, surgical repair and removal is required for spina bifida or meningeal sac.
However, if there is terminal dysplasia or non-development of the spinal cord, there is no treatment, and even surgery has no therapeutic effect.
When the Isle of Man cat has symptoms of The Man Island cat syndrome, it must be treated in time.
Because the longer the symptoms drag on, the worse the effect after treatment, or even can not be treated.
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