Dog age conversion: why the seven times method is inaccurate
The first year is equivalent to fifteen human years, and then it decreases year by year.
A closer conversion method is: one dog year is equal to approximately fifteen human years; two years is approximately equal to twenty-four years; and each dog year thereafter is approximately equal to four to five human years. Size has a big impact, with small dogs living longer and larger dogs aging faster.
Divided by body size: small dogs (under ten kilograms) have an average life span of twelve to sixteen years, and enter old age at seven years old; medium-sized dogs live ten to fourteen years, and enter old age at six and a half years old; large dogs live eight to twelve years, and enter old age at five to six years old.
The practical value of this conversion lies in the frequency of physical examinations. It is recommended that older dogs undergo a physical examination every six months, with key items including the heart, joints, kidneys, thyroid and oral cavity.
In addition, exercise intensity should be adjusted according to age. Elderly dogs are not suitable for sudden long-distance running, but not exercising at all will accelerate muscle loss. Maintaining regularity in daily walks is more important than intensity.
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