World War II nearly put an end to the breed. Very few cats survived the years of privation, and British and Scandinavian breeders turned to other breeds, primarily the Siamese and the British Blue, to help revive their bloodlines. Because of the Siamese influence, the cats developed a more extreme look, and the texture of their coat changed. It took years to bring the breed back to its original appearance. That was achieved by combining British bloodlines, which emphasized plush, silvery coats, and Scandinavian bloodlines, which were known for producing cats with bright breen eyes and flat profiles. The result was the Russian Blue of moderate type seen today.
In 1912 the Foreign Blue, one of the breed’s early names, warranted their own class and finally got separated from the blue cats variety. Progress of the cat’s popularity was halted, with the breed coming dangerously close to extinction during the onset of World War II. Breeders tried to revive the line by crossing the Russian Blue to Bluepoint Siamese and British Blues. Scandinavian breeders tried the same using Finland blue cats and Siamese blues.
About a month ago my 8 month old cat started panting after playing. I have also noticed for some time that her breathing is quite rapid even when sleeping. I called the vet and he suggested I take her for a check up. Everything seemed fine when the vet visited her but to be sure he told me to take her for a chest x-ray and blood test. I got the results yesterday and still no cause has been found to explain her breathing. All the tests were normal. The vet says he cannot rule out a heart problem and he suggests taking her to a cardiologist for a heart ultrasound. Apart from the panting (which is not every time she exercises but just occasionally) and rapid breathing (which I see every day) she seems a very health and active cat. I am not sure how concerned I should be about this. Perhaps it is just due to the heat. But I would not want to overlook a more serious underlying cause. I would not want to put her through any more distress by taking her a long way to a cardiologist. I would be grateful for any advice.
I'm afraid that I can't offer much more assistance for Bella than what you have already done, without being able to see or examine her. If she has not had a trans-tracheal wash, that may be one test that can help determine the type of cells that are present in her lungs, and if the x-rays have not been evaluated by a specialist, that is another possibility, as your veterinarian should be able to send those x-rays to be evaluated further.
If Mya started panting after playing suddenly, that may be a sign that something might be wrong. If is has been hotter than normal, and suddenly, that might explain the panting. It is difficult to say without the ultrasound whether she has a problem or not, unfortunately. She seems quite healthy otherwise, but if the panting is a dramatic change, having the ultrasound will let you know what is going on with her.
Solid black Chausies may have faint tabby markings (called ghost markings) as kittens, but usually acquire a dense, even black pigmentation with maturity.[8] Sometimes black grizzled tabby Chausies will appear indistinguishable from solid black Chausies when the amount of grizzling is minimal. Exposure to strong sunlight, as with most black cats, can cause black Chausies to lighten slightly and appear brownish.
The Russian Blue can spend hours amusing itself and does not mind an awful lot if it is left at home alone for the day, but it will be very happy to see you when you do arrive. This cat makes for an excellent companion, constantly following its owners about, and generally preferring one human above all others in the family. It should be added that the Russian Blue gets along with most everyone, including children. Their love of human company extends to impishly clowning to help calm a crying baby, and showing sympathy when their people get the blues by patting the face of the person.
Without examining Potchi, I cannot cannot confirm whether or not she has a fever; rapid breathing and shivering may be due to a variety of different conditions including infections, trauma, pain among others. You should keep an eye on her, but due to her young age I would recommend visiting your Veterinarian for an examination to be on the safe side. Regards Dr Callum Turner DVM
As the CFA further explains, the Russian blue cat made its first public appearance in 1875 in a very regal way: exhibited at London's Crystal Palace as the "Archangel Cat." The Crystal Palace was constructed under the leadership of Prince Albert, husband of Queen Victoria, as the location of The Great Exhibition in 1851 and thereafter was used to exhibit items of interest (living and otherwise) to the people of Victorian London, and the attractions held international appeal as well. By middle of the nineteenth century, "cat shows" had become regular and popular events.
When my kitten is sleeping he breathes very quickly. He doesn’t do it once in while, he does it every single time and throughout the whole time he’s sleeping. I read online that to calculate their breathing, I should count how many times they breathe within a 15 second period and multiply it by 4. It also said they’re normal breathing rate should be around 25-30 and my kitten’s is 92. He’s seems pretty healthy, he eats he’s food, he’s drinking his water, he’s very active so I’m very confused about this.
If your cat is breathing heavily while resting, it can be a sign of several common problems from anxiety to airway disease. Understanding some of the reasons for labored breathing in cats can help you assess the severity of the situation. However, if your cat is having difficulty breathing, this is an emergency, and you should take your cat to your veterinarian right away.
Thank you for you email. unfortunately, without examining Kai, i can't comment on what might be going on with him. He needs to see his veterinarian to try and determine what is going on with him and how to treat him. If he seems to be in distress and unable to catch his breath, taking him to the emergency clinic tonight is most appropriate. I hope that he is okay.

In 1912 the Foreign Blue, one of the breed’s early names, warranted their own class and finally got separated from the blue cats variety. Progress of the cat’s popularity was halted, with the breed coming dangerously close to extinction during the onset of World War II. Breeders tried to revive the line by crossing the Russian Blue to Bluepoint Siamese and British Blues. Scandinavian breeders tried the same using Finland blue cats and Siamese blues.
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