As a general rule, dogs that are less than one year of age are considered puppies and it is important during that year that they are being fed a puppy formula pet food.
There is some variation, however. Large and giant breed dogs are considered puppies until two years of age, while some toy breeds are considered to be adults at nine months of age.
Puppyhood is a playful, adorable time in a dog’s life. It is also a time for a high-energy diet that meets the demands of his growing and developing body.
The kibble in Purina’s puppy food is smaller in size than adult kibble, but it has more calories for energy. It is also formulated with an enhanced nutritional profile that provides him with the complete and balanced diet he needs as compared to adult dog food.

Puppy Nutrition
Dogs under one year of age are generally considered puppies. However, large or giant breeds are considered puppies until they are two years old, while some toy breeds are considered to be adults at nine months of age.
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During this time, they need a food that is formulated with the nutrients necessary for healthy growth and development.
Some of those nutrients include:
- More calories, protein and fat than adult foods to keep up with the demands of their growing bodies.
- The omega fatty acid DHA is an important nutrient is for brain and vision development in puppies.
- Vitamins and minerals including vitamins E, and selenium, are beneficial antioxidants that aid the developing immune systems in puppies.
- Puppies also need optimal calcium to phosphorus ratio for proper bone growth.
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