NAMED ANIMAL PROTEIN
Tuna
The flesh of tuna, an oily ocean fish, used fresh.
Why It Turns Up In Dog Food
- A complete protein carrying EPA and DHA omega 3 fatty acids and selenium. Being a larger, longer-lived fish, sourcing matters more than with small species.
An ingredient on its own tells you very little.
What matters is how much of it there is and where it sits in the list. That is why we weigh
the top five rather than reacting to any single name further down.
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