Is it true that one year of cat's life is equal to seven human?

A common technique proposes to translate cat age into human, simply multiplying it by 7. We decided to check how accurate such an algorithm is.

Question, How Transfer feline age V human, Interested many owners home animals. One of the widespread methods is that the cat's age must simply multiply by 7. The media reports about this method of transferring cat age into human age (for example, “Arguments and facts"), Veterinary resources And sites O animals.

To begin with, let's try to conduct calculations, using only household logic. If the human age of the one -year -old cat corresponded to the human seven years, then at about this time her milk teeth should begin to change permanent. However, the milk teeth in kittens Start To fall out at the age of three to four months, and by the six months the kitten has a full set of indigenous ones. In a person Formation Constant bite, that is, replacing all milk teeth indigenous, occurs only in 13-14 years. Let's try to conduct another comparison: the puberty of the kitten begins at the age of four months, a five -month -old cat, if not control of the birth rate, may already Get out offspring. The age of puberty in people varies depending on the floor: in girls It begins after eight and a half years, boys - Usually after ten. That is, according to this parameter, a simple recount 1 to 7 does not work.

The transfer of cat years into human non -linear, that is, depending on what year it is in a cat’s life in a cat, one or another coefficient will be applied. Given the ratios at different key points of development (achievement of "adult" height and weight, tooth change, sexual development), the American Association of Veterinary Medicine Offers Consider the first year of a cat’s life over 15 human years. The second year of the life of a pet, according to this technique, is approximately even nine human, that is, a two -year -old cat is about 24 human years. Starting from the third year of life, the coefficient becomes equal to 1 to 4, that is, every year has been adding to the “human” age of a cat for only four years. This way of calculating cat age counts Standard and used by veterinarians around the world.

With this technique, the 12-year-old cat barely moves out of maturity to old age (64 years), and does not represent a deep old man (if the coefficient of 1 to 7 would be true, it should be assumed that the animal is 84 years old). Moreover, even a runaway viewing of ads from shelters shows that many cats are stepping over a very decent line - you can find ads whose authors are looking for new owners to cats aged 15 And 16 years (although if you use a common calculation method, they are 105 and 112 human). In addition, even such cats are attributed to long -livers prematurely - a cat named Krimm Puff entered in the Guinness Book of Guinness Records I lived As many as 38 years old. Its owner suggeststhat such an outstanding life expectancy of the cat was provided by a special diet: in addition to dry food, she ate eggs for breakfast, a turret and broccoli bacon, and once every two days the owners gave her a pipette of red wine. 

In 2017, the scientists have specified the table of cat -age calculation table prepared by the American Association of Veterinary Medicine. On new ones calculationsThe first year of the cat’s life turned out to be even longer - it is equal to 16.6364 of the human year, but starting from one and a half year old, the formula becomes this: the cat years should be multiplied by 4.134 and add 15 years. However, this clarification does not make radical changes to the calculation methodology. For example, when using the previous formula, it turns out that the 12-year-old cat is 64 human years, the 20-year-old-96, and Crimmin Puff was 168 years old. If we counted by an updated method, then 12 cat years are 64.608 of the human year, 20 - 97.68, and 38 - 172,092.

Thus, the idea that one year of cat life is equal to the seven human years is fundamentally incorrectly and does not take into account the unequal speed of development of representatives of different biological species. To calculate the more accurate age of the pet, other methods based on the calculations of specialists should be used. For example, take the first two years of the pet in 24 years, and then add four more for each year. 

Image on the cover: Bild von Yuri Sidorenko Auf Pixabay

Not true

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