Determine the age of a picked-up dog

If you pick up a dog and cannot tell its age, you can choose to check the hair condition. If the hair is fine and soft, it means the dog is between 1-3 years old. between; if the hair is rough and hard, it means that the dog is already an adult, between 4 and 10 years old; if the dog's teeth are yellow, the coat is dull, and it is not smooth to the touch, It means that the dog is an old dog, aged between 11-20 years old. If the dog does not like to move after returning home, and there is hair loss on the body, then the dog may not be old for a long time.