Selkirk Rex,
Highlander und Britisch Kurzhaar Katzen

Feline illnesses

On this page I’ll write about the importance of having our animals tested. If a cat is free from FIV, FELV, FIP and PKD, then it means that it is free from three kinds of virus and one congenital disorder. We have all of our cats tested in order to ensure that the offspring are healthy and happy.
The disease was discovered in the United States when vets recognized that cats showed similar symptoms to people with AIDS. Since then it has been proved that FIV and HIV are not the same virus, but they are very similar to each other. FIV only affects cats while HIV only affects people, so FIV-positive cats mean absolutely no threat to humans.
FIV-infected cats may be symptom-free for years. However, during the symptom-free period, the cat’s immune system is gradually weakening. This is because the virus damages or kills leucocytes, which are the cells of the immune system. As a result, the cat’s immune system becomes less and less resistant to viral and bacterial infections. The infected cat's saliva is full of viruses, so it spreads with biting and licking each other's coats.
This illness is incurable and terminal.
This virus also damages and kills leucocytes, the cells of the immune system. The virus is unstable and cannot survive for long in the environment, therefore the cat needs immediate and prolonged exposure for the infection to occur.
This virus also spreads through saliva, but it can also spread through urine and feces. Kittens of FELV-infected mothers can be infected through the womb and milk.
Not every FELV-infected cat becomes permanently infected, either because it doesn’t receive long enough exposure or because its immune system can combat the infection. The virus contaminates the cat through the mouth or nose, and then spreads in the body through the blood stream.
Symptoms of the illness include fever, fatigue, loss of appetite and co-occurrence of other illnesses.
No vaccine provides complete protection, therefore vaccinated cats should not be allowed in groups of infected cats.
Feline infectious peritonitis is caused by a corona virus, the illness is incurable, and almost always terminal. 30-50% of cats are infected with the virus, which can also be found in the cat’s feces.
The pathogen infects the cat through the nose or the mouse.
There are numerous virus strains of FIP, most of which causes no illness.
Corona viruses, however, mutate rapidly, which can bring about a strain that is capable of causing serious illness (FIP).
If a cat is infected by such a strain, it depends on the strength of the cat’s immune system whether or not the virus causes actual illness.
Two forms of FIP are known: wet and dry.
In case of wet FIP, fluid builds up in the abdominal and chest cavity as a result of the inflammation of blood vessels.
The cat’s abdomen swells, which leads to breathing difficulties.
In case of dry FIP, the inflammation occurs in other areas, such as the liver, kidney, eyes, brain or intestines.

PKD is a congenital disease found among cats. PKD means that cysts form in the kidney and other organs, such as the liver, of the affected cat, which can be detected from birth.
Healthy kidney Severely polycystic kidney Cross section of polycystic kidney

The disease affects chiefly Persians, and less frequently Exotic and British Shorthairs, Persian Mixes and occasionally other types.
The disease shows a dominant pattern of inheritance, meaning that cysts are always present in the animal carrying the mutant gene.
The affected cat can therefore spread the disease wide in the population.
The dominant pattern of inheritance also allows for the screening of all the affected animals and therefore allows for the decontamination of the population.
This is very important for breeding animals. The less sever type of the disease does not always cause clinical symptoms, and does not threaten or shorten the animal’s life.
Yet severe polycystic kidney disease can lead to kidney failure and even death.
The disease can be diagnosed by ultrasound examination, which can show cysts as small a few millimeters.
An ultrasound transducer of minimum 7 MHz frequency and an experienced examiner is required to carry out the examination. In accordance with the international, and chiefly German, regulations cats can be tested for PKD from 10 months of age, and it is mandatory that cats be classified as PKD-positive if at least one cyst is present in one kidney.
The cat’s fur need not be shaved for the testing, however it makes the examiner’s task easier.
 cica pkd
Two small cysts in the renal cortex (round black areas).
Ultrasound image.
macska policisttás vesebetegség 
Ultrasound image of extensive polycystic kidney disease.
                                                                                    Dr.Vrabély Tamás
excellent professional background — consistent judgment
    internationally renowned
            the first and only privately owned instrumental diagnostic
          centre in the country
Dr. Tamás Vrabély
Lehel u. 43-47. Budapest, 1135
 abdominal ultrasound testing
comprehensive cardiologic examination (EKG, ultrasound, Doppler)
endoscope testing (tracheoscopy, gastroscopy)
biopsy and cytological examination
 Appointments: 350-11-66 available all day long
 Office phone: 239-70-65
 Mobil: 30-9245-006

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