The Siberian is a landrace variety of domestic cat, present in Russia for centuries, and more recently developed as a formal breed, with standards promulgated since the late 1980s.
They vary from medium to medium-large in size. A longer name of the formal breed is Siberian Forest Cat, but it is usually referred to as the Siberian or the Siberian cat. Another name for the formal breed is the Moscow Semi-Longhair. The cat is an ancient breed that is now believed to be ancestral to all modern long-haired cats. The cat has similarities with the Norwegian forest cat, to which it is likely closely related. It is a natural breed of Siberia and the national cat of Russia. While it began as a landrace, it is selectively bred and pedigreed today in at least seven major cat fancier and breeder organisations. The colorpoint variant of the breed is called the Neva Masquerade by some registries, including Federation Internationale Feline (FIFe).
There are claims that it is hypoallergenic and produces less Fel d1 than other cat breeds
The cat was first mentioned in a book by Harrison Wier, which included information of the earliest cat shows in England in 1871.[clarification needed] Siberians first arrived in the United States in 1990. Although gaining in popularity, the expense of importing the cats from Russia keeps the breed relatively rare outside of Europe.
In the Russian cat fancy, each cat club devises its own cat standards. This fact led to much confusion in the US and other countries when the first Siberians were arriving and many appeared quite different from each other, depending on what area of Russia they originated from. One of the earliest written Siberian standards was publicized by the Kotofei Cat Club in St. Petersburg in 1987.
Known to be an exceptionally agile jumper, the Siberian is a strong and powerfully built cat, with strong hindquarters and large, well rounded paws and an equally large full tail. They have barrelled chests and medium/large sized ears, large eyes, broad foreheads, and stockier builds than other cats. Their large round eyes give an overall sweet expression to their face. Siberians have a slight arch to their back, because their hind legs are a bit longer than the front legs. This shape contributes to their incredible agility and athleticism.
While there is no truly hypoallergenic cat or dog, the decreased dander qualities of the Siberian coat have been noted and commented on for almost ten years. While there is little scientific evidence, breeders and pet owners claim that Siberians can be safe for many allergy sufferers. Since females of all feline breeds produce lower levels of Fel d1, breeders often suggest that allergic families adopt female cats. Allergy sufferers are advised to check their reactivity directly with the parent cats from whom they plan to adopt a kitten.[clarification needed] Many people believe that the breed produces less Fel d1, the primary allergen present on cats.
In 1999, Indoor Biotechnologies tested the fur of four cats for Fel d 1; a mixed breed, two Siberians, and an Abyssinian. The results showed the Siberian and Abyssinian cat fur as having lower Fel d 1 levels than the mixed breed cat. Indoor Biotechnologies cautions that the Siberian levels were still high, and that the mixed breed sample was “exceptionally high.” Indoor Biotechnologies warns against using these results to make decisions of pet ownership.
This test of fur allergen levels is cited by many Siberian breeder websites as evidence the breed is hypoallergenic. Critiques include that the sample size is below statistical significance, was submitted by a Siberian breeder, and as mentioned, one cat was found to have Fel d1 allergen levels of 62,813 micrograms (roughly 60x higher than any published professional study).
A not-for-profit association of breeders, (Siberian Research Inc), was founded in 2005 to study allergen levels and genetic diseases in the Siberian breed. As of March 2010, fur and saliva samples from over 300 Siberians have been submitted for analysis, many directly from a veterinarian. Salivary Fel d1 allergen levels in Siberians ranged from 0.08-27 µg per ml of saliva, while fur levels ranged from 5-1300 µg. The high-end of these ranges is consistent with results from prior studies, though the low end is below expected results.
All Siberians tested were found to produce some Fel d1, with the highest levels being found in Siberians that have silver coloured fur. About half of Siberians were found to have Fel d1 levels lower than other breeds, while under twenty percent would be considered very low. Within the low group, males and females had comparable allergen levels.[self-published source]
MOM Cat looking out for kittens safety
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MONKEYS VS CATS (HD) [Funny Pets]
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Can a PASSENGER land a PLANE? Presented by CAPTAIN JOE
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Dear friends and followers, welcome back to my channel. Today´s topic is one of the most ask passenger question, “Can a passenger land a plane?”. There are so many rumours about this question, it´s just not true.
So a few facts. My friend Carolin, has no connection to the aviation world besides from flying to holiday once in a while, obviously as a passenger.
Once communication was established, I had to give her instructions on how to set up the approach phase for an automatic landing, better known as AUTOLAND procedure. The AUTOLAND allows pilots to perform a fully automated landing in bad visual conditions, known as CAT3 approaches. More about that in future videos.
But see for yourself.
My opinion if a passenger can land a plane. I´ll be honest with you! It´s impossible! We needed three attempts to just establish basic communication and Carolin accidentally brought the aircraft into a stall. Don´t ask how!
I know that there are many videos out there where apparently the passenger landed the plane, but all of the passengers had some kind of flying background. And the likelihood of both pilots being incapacitated is very unlikely.
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I hope you enjoyed this video and where able to learn something from it as well.
Thanks for watching, all the best your “Captain” Joe
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Published: 2017-10-19 11:24:48