Beyond dog and cat food, this NAICS category captures manufactured feeds for horses, livestock, poultry, aquaculture species, laboratory animals, and zoo animals — a diverse segment where ingredient specifications and regulatory requirements vary considerably by target species. Medicated feeds intended for livestock or poultry require FDA approval of the drug component under the Veterinary Feed Directive, adding a layer of compliance beyond standard food-safety rules. Aquaculture feeds, a growing import category, may also intersect with USDA APHIS requirements when they contain animal-derived proteins subject to disease-risk restrictions.

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