Just as a note though, some puppy foods and some adult foods do not have the appropriate levels of calcium and phosphorus for a puppy (even when it's labeled as puppy food). Adults and puppies eat the same food, but manufacturers don't pay as much attention to C/P levels in adult food since adult bones are no longer absorbing the levels of calcium as puppies do to grow.
In Orijen line up, the new Red Meats formulation is not appropriate for puppies, for example, in terms of C/P level, but all the other ones are. Taste of the Wild and Wellness Core, two other grain free foods also have inappropriate levels of C/P for a puppy, even though the food is labeled as All Life Stages. I'll post links to studies and papers later if you're interested after I'm at a PC.
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