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When Do Dogs Stop Growing?

Dogs, unlike humans, grow at a swift pace. One day you will see them as a cute ball of fur, and the next week they look like an adult. 

Many owners do not know the real age when their puppy will stop growing. People are mostly unaware of the age when their dog will reach maturity and eventually stop growing. 

But if you have brought home a puppy recently, you must know your puppy's healthy growth rate so that you can tell when the growth is abnormal and take your puppy for a consultation to the vet.

Let's find the answer to the question, "When do dogs stop growing?" in detail. 

Here's a peek. 

When Do Dogs Stop Growing? 

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This is a common question among dog owners. The simple answer to this is that growth depends on the breed of your dog.

  • Dogs of small breed usually take 6 to 8 months to reach the adult age. 
  • Some smaller breeds also take 12 months to enter into adulthood and stop growing finally.
  • Large breed puppies take about 12 – 18 months to become adults.

A Puppy's Developmental Stages

Puppies in their growth years require proper food, nutrients, and exercise. These help them to grow as a healthy adult. 

Though all puppies are officially considered an adult once they have reached one year of age, but puppies continue to grow till 24 months as their skeleton and bones develop throughout this time. 

Dr. Jerry Klein, a DVM and Chief Veterinary Officer at AKC pointed out that "The long bones in a puppy's legs grow from two distinct places called growth plates. The growth plates are somewhat flexible and soft during puppyhood when new tissue is being formed."

He continues to say furthermore on how growth plates develop, "When the growth plates have stopped producing new tissue and become completely calcified, they are said to have 'closed,' which means that they've stopped growing and the bone has reached its final size,"

When Do Small Dogs Stop Growing?

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Smaller breed puppies grow faster in comparison to the larger breeds. They take only 6 to 8 months to develop into an adult fully. After this age, they stop growing. 

Some breeds that we consider as medium breed puppies, however, continue to grow till 12 months.

When Do Large Dogs Stop Growing?

Large breed puppies take more time to grow as an adult, unlike the smaller breed ones. This is because their bones need more time to develop and grow bigger. 

Vet says that large breed puppies usually grow till they reach two years of age. During this time, they require proper meals and exercise to help them grow into healthy dogs.

  • Purebred puppies' growth depends on their family's growth experience.
  • Without a known heritage or all American puppies, dogs generally take 6 to 10 weeks to develop into an adult fully.

Conclusion: When Do Dogs Stop Growing?

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You need to know what foods and nutrients your puppy will require during his growth time. Exercise is as equally important as food.

Neither nutrition nor exercise should cross the moderate limit. Anything in excess is harmful to your puppy.

Do you have any questions or concerns? Let us know in the comments, and we'll get back to you as soon as we can. 

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