Named vs generic protein
Two of the most useful things on a pet food label are the specificity of its protein and the identity of whoever actually made it — and the second is missing far more often than the first. 1,830 foods (77.7%) lead with a named animal protein, but only 248 labels (10.5%) tell you whether the brand on the bag owns the plant.
Why the species matters
A named ingredient — chicken meal, lamb, salmon — commits the manufacturer to a species. A generic one — "meat meal", "poultry by-product meal", "animal fat" — commits them to a category, and what is inside the category can change between production runs.
For a pet with a suspected protein sensitivity that difference is the whole ballgame: you cannot avoid an ingredient that is not named. For everyone else it is a transparency signal rather than a safety one.
"Manufactured by" versus "distributed by"
The small print near the address is the tell. "Manufactured by" means the company owns the plant. "Distributed by" or "manufactured for" means somebody else made it — a co-packer, often one making food for several competing brands at once. Of the 248 labels that say, 135 own their manufacturing and 113 do not.
Owning the plant is not automatically better food, but it changes who is accountable when something goes wrong, and recall history has repeatedly followed co-packers rather than brands. It is one of the four questions the WSAVA guidelines suggest asking a manufacturer, and it is on every brand scorecard here.
What we will not infer
We do not treat a by-product as a quality failing. AAFCO by-product definitions cover nutrient-dense organ meat as well as much less appealing material, and the label uses one word for both — so the honest position is that the term is uninformative rather than bad.
Frequently asked
Is "chicken by-product meal" bad?
It is unspecific rather than bad. The AAFCO category spans nutrient-dense organ meat and less appealing material, and the label does not distinguish them.
What does "distributed by" mean on pet food?
That the brand did not make the food — a co-packer did. "Manufactured by" means the company owns the plant. Only about one label in ten states either.
Does owning the factory make a brand better?
It makes accountability clearer and gives the company direct control of quality systems. It is one of four questions vets commonly suggest asking, not a verdict on its own.
Related
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Ingredient order & splitting
Named protein first on 1,830 foods (77.7%) · unnamed by-product present on 110 (4.7%)
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Label transparency
Median disclosure 47% of tracked fields, across 2,354 labels
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AAFCO statement
1,373 statements read · 235 feeding-trial · 1,138 formulated
See it applied
Every figure discussed here is computed on each product page from that food’s own verified label, with gaps marked rather than filled. Start with every priced dog food ranked by cost per 1,000 kcal, browse every verified cat food, or read what is actually in pet food — ingredient prevalence counted across all 2,354 labels. The full extraction method is in the methodology.