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How Long to Feed Puppy Food  & When to Switch to Adult Dog Food

Small Breed Dogs

Toy and small breed dogs

9 - 10 months

Many toy and small breed dogs weigh less than 20 pounds at maturity and reach this size between 9 and 10 months of age.

Small Breed Dogs

Medium Dog Breeds

12 months

Medium-sized dogs weigh between 21 and 50 pounds at maturity. They tend to reach maturity around 12 months of age.

Small Breed Dogs

Large & Giant Breeds

2 years

Large breeds and giant breeds weigh between 50 and 100 pounds, and can take 18 months to 2 full years to reach maturity.