Calculation of the age

The age of the smaller puppies of 6 months is determined by the temporary teeth, soon by the permanent teeth.
The puppies have 28 temp teeth, 14 in superior maxilar and 14 in the inferior one. These caducos teeth approximately make eruption to three to four weeks of age. The puppies must lose the ?milk teeth? before being replaced by the permanent teeth, these begin to arise approximately to the 4 months of age. The dogs have 42 permanent teeth.

In the oldest dogs, the age is considered generally by the wearing down of the teeth, but it can vary the calculation due to the size and masticatorios race of the dog, diet and habits, the positioning of maxilares superior and inferior and the dental care that the made one to the animal.

Also by the grey hairs that appear the snout and around the eyes, but there are dogs that have grey hairs to 3 0 4 years of age.

Comparison of the age of the dog with the human:
A generalization exists to multiply every human year by 7 years of a dog, but the size of the dog plays a fundamental roll in the comparison with the age of the human being
The dogs live between 12 and 16 years, being longevos those of races or small size that the greatest races.
The dog whose data are known that but it lived was 29 years.

Bibliography

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