How to count the age of the dog years

One year of a dog’s life is equivalent to about seven years of a human’s life, and a normal dog’s life expectancy is between 10 and 20 years. Generally, the age of a large dog will be about three years longer than that of a small dog. We can judge the age of a dog by its teeth and other characteristics of its body. The age of a dog will be affected by other factors such as diet, environment and disease, which means that the healthier the dog is, the older it will be. After the dog is 8 years old, there will be a significant decline in physical quality, which also marks their official start from adulthood into old age. The dog’s 8 years of age is equivalent to 50 years of age, 10 years of age is equivalent to 60 years of age (reproductive decline or cessation), 15 years of age is equivalent to 79 years of age, the highest longevity record for dogs is 34 years.