How To Know a Dog’s Age

Dogs, like humans, also get older and faster than we do. What are the main signs of aging? How do I know how old a dog is if I do not know exactly when he was born? Especially in animals that have been adopted, this question is very common.

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In YourCatCareguide we will help you to answer this question. There are many obvious signs that let us know the age of a dog and here you will learn what they are.

You might also be interested in: How to Calculate the Human Age of a Dog

How to know the age of the dog in human years

For years, many people have tried to estimate the age of the dog in human years , but this is not a very reliable source for determining the age of the dog, and it is not so useful to know how old the dog is if we do not know when was born.

What do we do if we want to celebrate our four-legged little friend’s birthday but do not know how many candles to put on the cake? It is normal that costs us a lot to know the exact age of the dog and will often just missing to think that because they have some white hairs have more than 6 years. Not all races age the same way but there is one detail that never fails. Do you know what we’re talking about?

How to tell the dog’s age by teeth

That’s what you read in the title … It’s the teeth that tell us the age of the dog! In the case of puppies, it is even more important to know their age, since depending on the age we know if they should still drink milk or if they can already eat solid food. It is best to open his mouth, but there are other data that can help:

  • From 7 to 15 days of age : At this stage the dogs do not have teeth. They are guided by stimuli through touch, for they still have their eyes and ears closed. They have several reflexive or involuntary responses, originated only by stimulation. They have the suction reflex that causes us to get something close to their lips, to pick up and press as if it were a nipple, to get food. In the case of the anogenital reflex , the mother is in charge of activating it with licks. We can lightly touch the area of ​​his anus to verify that it opens and closes without problems. The digging reflex is when they push any surface for Mom’s warmth and her breasts.
  • From 15 to 21 days of life : The upper incisors appear (are 6) and the canines (are 2) of milk. In small breeds, it usually takes longer. At this stage, the dogs open their eyes and ears. The reflexes disappear and begin to walk to play and to look for food. They still drink milk, but the teeth that do not yet exist begin to appear. There are no teeth until the 15 days of life, when the incisors and canines of milk appear (between 15 and 21 days). Then the rest grow and at 2 months of life begin to change to the final dentition composed of 42 pieces.
  • From 21 to 31 days of life : the lower incisors appear and the canines of the mandible appear.
  • From 1 month of age until 3 months : milk teeth are worn. These teeth are finer and square than the definitive ones, which will be more rounded until they begin to wear out.
  • At 4 months : we observed the eruption of the definitive central incisors that will be present in both the mandible and the maxilla.
  • Up to 8 months : definitive change of all incisors and canines.
  • Up to 1 year of life : all definitive incisors will be born. They will be very white and with rounded edges, also called “fleurs-de-lis”. At this stage all the definitive canines will already be present.

How to calculate the age of adult dogs

  • From a year and a half of life to two and a half years: we can see a wear of the lower central incisors, which begin to present a more square shape.
  • From three to four and a half years : we will see that the six lower incisors are now square, mainly due to wear.
  • From 4 to 6 years of age : wear on the upper incisors will be evident. This phase corresponds to the years prior to old age.
  • From the age of 6 years : a greater wear of all teeth will be observed, there will be a greater amount of bacterial plaque (known as tartar) and the canines become more square and less pointed. You may also lose some teeth but this will depend mainly on the dog’s diet and the lifestyle you have. From this moment, the dog prepares to enter the old age that begins around the 7 years of life.

If you have read this article yet can not identify the age of your puppy, whether adult or puppy, do not hesitate to visit your veterinarian !

If you want to read the similar articles in How to know the age of a dog , we recommend you to enter our section of What you need to know .

Emily Harris

Hi Guys, Girls, and Cats:-p I am Emily Harris, and you can see in above pic. She loves me I swear. I saved her from a dumpster a few weeks back.

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