Generally, dogs are considered adults when they are 12 months old. Therefore, puppies with higher nutritional value need to be given to dogs before 12 months of age to help the dogs grow and develop quickly. Dogs need to be given puppy food after 12 months of age. Adult dog food with a balanced nutritional ratio to meet the daily nutritional needs of dogs.

The most direct way to judge whether a dog has grown up is to look at the size first. According to the size of the dog, the bones of small dogs are basically fully developed at 8-12 months. While large dogs complete their physical growth around 12-15 months, some giant dogs such as Newfoundland dogs need to be fully grown at 18-24 months.