Why the age of dogs should not be calculated by seven

The dog has different and differentiated stages of aging by which puppies age much faster (Getty Images)

Recent scientific discoveries have changed the interpretation of the life expectancy of dogs and its comparison with that of human beings.

A comprehensive study found that the dog has different and differentiated stages of aging by which puppies age much fasterit is
say faster and at a different pace, than older dogs.

This means that we are underestimating the human equivalent age of our dogs and running an artificial and inaccurate comparison.

If puppies age much faster than young humans and as a general rule we say, as revealed truth, that a dog year equals seven human years, but the comparative assessment is wrong and unfounded. We know that the life expectancy of dogs is, on average, 12 to 13 years. Variable figure depending on the living conditions and, therefore, depending on the place and how their existence takes place.

The exact comparative age of a one-year-old dog would be that of a 30-year-old human.  Photo: Markus Hibbeler/dpa
The exact comparative age of a one-year-old dog would be that of a 30-year-old human. Photo: Markus Hibbeler/dpa

On the other hand, the life expectancy of human beings, with the same considerations, is at least 5 times higher, so many people follow, without any foundation, the common rule that a “dog year” is equal to 7 “human years”

That ratio of 1 to 7 is wrong, since, according to researchersresults from ignorance How are the aging processes of dogs compared to those of humans. This study shows genetic evidence that puppies age faster than their elders. That rate of aging is faster in puppies.

According to this statement, the exact comparative age of a one-year-old dog would be that of a 30-year-old human. After that first year or two, dogs and all of their cells age more slowly. In this way, for every year a dog ages, the corresponding increase in human years is reduced.

Therefore, according to this scientific statement, a 12-year-old dog would be comparatively 70 human years old and not 84 as it would be according to traditional calculation. This work concludes that a complex calculation is needed in order to establish a valid comparison between the age of the dog and that of the human being.

The formula is: “human” age of a dog = 16 x ln of your dog’s age + 31 (ln: natural logarithm).

A 12-year-old dog would be, comparatively, 70 human years old and not 84 as it would appear according to the traditional calculation (Getty Images)
A 12-year-old dog would be, comparatively, 70 human years old and not 84 as it would appear according to the traditional calculation (Getty Images)

On the other hand, in addition to the expressed formula, the accuracy in the calculation can be further refined. taking into account the size and weight of the dogfor which we can divide the animals into four groups:

Small breeds: are all those less than 10 kilos

medium breeds: are those that weigh between 10 and 22 kilos

large breeds: those that range between 23 and 40 kilos

giant breeds: those over 41 kilos

In the following table you can learn more the relationship between human ages and the four groups of races:

Socialization of puppies, benefits throughout their lives

Since the animal is born, it is born blind, it is born deaf, it only begins to see on day 12, it begins to hear more or less around that time. So: what can we do to link it with the world around it? At first don’t scare himdo not generate sudden things and yes, with swabs, generate sensations in the insoles of the hands and feet with different temperatures, a little cold, a little hot.

The chaos, which is no longer bonding with his mother and siblings, is at 60 days and not before, because those days are going to work on the emotions of the animals, especially by inhibiting the bite (iStock)
The chaos, which is no longer bonding with his mother and siblings, is at 60 days and not before, because those days are going to work on the emotions of the animals, especially by inhibiting the bite (iStock)

The rampage, which is not bonding more with his mother and siblings, be it after 60 days and not before, because those days are going to work on the emotions of the animals, especially inhibiting the bite. What does this mean? Moderate the power of the bite, depending on the amount of the stimulus.

Between 60 days and 4 months of age, the sensitive stage of the animal appears, where the animal, according to the perception of some professionals, in my mistaken opinion, should not go outside. You must go out on the street, what you should not do is step on sidewalks, for that there are excellent backpacks or shopping carts or the car. The chaos stage is called “imprinting stamping or impression”, where the animal is socialized, they are essential to mark future behavior.

Some tips on how to socialize a puppy with people: invite your friends and family, take it to the street to see new people every day (it can be to the corner), take it when you go to the store, etc. In addition, it is important to get him used to the presence of small children and babies, so he will associate them with good things. Control these interactions very well so that children do not hurt your dog. Also, get him used to being handled: pet him, pick him up, touch his legs, check his teeth, etc.

*Prof. Dr. Juan Enrique Romero @drromerook is a veterinarian. Specialist in University Education. Master in Psychoimmunoneuroendocrinology. Former Director of the School Hospital for Small Animals (UNLPam). University Professor in several Argentine universities. International speaker.

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