Some breeds, such as Great Danes, are naturally large dogs, while others, such as Chihuahuas, are naturally small dogs.
A puppy needs a nutritious diet to support their growth. If they are not getting enough nutrients, they may not grow as large as they could.
If you are concerned that your puppy is not growing properly, it is important to take them to the veterinarian to rule out any medical problems.
If your puppy is injured, it is important to take them to the veterinarian for treatment.
If they are not getting enough exercise, they may not grow as large as they could.
Puppies that are stressed or anxious may not grow as large as they could. If your puppy is stressed, it is important to find ways to help them relax.
It is generally recommended to wait until your puppy is at least 6 months old before spaying or neutering them.