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Haddock

15 foods contain this ingredient

Protein Fish allergen group

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About Haddock

Haddock is a lean, white-fleshed ocean fish used in pet food as a digestible animal protein, with a modest amount of omega-3 fatty acids.

Haddock is a lean white fish used in pet foods as a high-quality, highly digestible animal protein that supplies essential amino acids, B vitamins, phosphorus, selenium and modest amounts of omega‑3 fatty acids. It is palatable for dogs and cats and useful in low‑fat or limited‑ingredient diets, but products should be properly cooked and deboned to avoid parasites and bones, and owners should be mindful of fish allergies, potential contaminants (source-dependent), and not rely on haddock as the sole protein to prevent nutrient imbalances.

Derived from
flesh of the haddock fish (Melanogrammus aeglefinus)
Primary role
lean animal protein, omega-3 fatty acid source

Why it's used

Formulators use haddock in low-fat or limited-ingredient recipes because it is a mild-tasting white fish that supplies complete animal protein, B vitamins such as B6 and B12, and phosphorus alongside modest omega-3 content. Its comparatively low position on the FDA's mercury ranking for commercial fish is part of why it appears frequently in recipes marketed toward long-term or frequent feeding.

Common concerns

  • Fish as a food allergen Veterinary sources list fish among the most common food allergens in cats, alongside beef and chicken, so haddock is not automatically hypoallergenic despite being less common than some other proteins.
  • Mercury exposure, though comparatively low FDA data placing haddock among lower-mercury commercial fish species does not mean mercury is absent, and contaminant levels can vary by source and processing, which is why haddock should not be the only protein in a diet fed indefinitely.
  • Bones and preparation Pet-facing guidance recommends that haddock be properly deboned and cooked without added seasoning, oil, or salt before being fed, since bones and preparation additives are separate hazards from the fish itself.

Also relevant

Haddock is generally described as a topper or minor inclusion rather than a full replacement for a complete and balanced commercial diet.

3 sources cited

Common Questions

What category is Haddock?

Haddock is categorized as a protein ingredient in the KibbleLab database.

Is Haddock part of an allergen group?

Yes. Haddock is grouped under the Fish allergen group in the KibbleLab database.

Which foods contain Haddock?

15 foods in the KibbleLab database contain Haddock, including Forza10, Friskies, JustFoodForDogs.