topic_id: US_WA_defined_ingredients_2018_overview category: us_state title: WSDA Defined Ingredient List 2018 — overview & authority lang: en source: WSDA AAFCO OP 2018 Defined Ingredient Categories (pdf-raw/wsda_defined_ingredient_list_2018.pdf, 52p, cms.agr.wa.gov) date_parsed: 2026-07-19 tokens_estimated: 1411 ---
WSDA Defined Ingredient List 2018 — overview & authority
Source: WSDA Animal Feed Program — "Association of American Feed Control Officials (AAFCO) Official Publication (OP), 2018 Defined Ingredient Categories" (52-page official list, retrieved 2026-07-19 from cms.agr.wa.gov via Seoul relay; WAC 16-252-006(2) incorporates AAFCO OP by reference, 2018 rule WSR 18-21-191). Scope note: This list contains official ingredient NAMES by AAFCO OP category. * = exempt from commercial feed definition unless ground/artificially dried/mixed. ** = Tentative definitions. For full legal definitions see AAFCO OP Chapter 6 (topic family aafco_ch6_ingredients).
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ANIMAL FEED PROGRAM PO Box 42591, Olympia, WA 98504-2591 (360) 902-1942 · feedreg@agr.wa.gov
Association of American Feed Control Officials (AAFCO) Official Publication (OP), 2018 Defined Ingredient Categories
- Alfalfa Products 69. Oat Products
- Amino Acids and Related Products 71. Other Oilseed Products
- Animal Products 73. Technical Additives
- Barley Products Technical Additives, Acidifiers
- Brewers Products Technical Additives, Antimicrobial Agents
- Preservatives Technical Additives, Anticaking Agents
- Citrus Products Technical Additives, Binders
- Cottonseed Products Technical Additives, Biofuel Production
- Distillers Products Technical Additives, Emulsifiers
Drugs and Medicated Feeds (See 'Medicated' Feed Technical Additives, Floculants Section of OP) Technical Additives, Nutritional Diluents
- Enzymes (Reference table in OP)
Technical Additives, Pelleting Aids
- Fats and Oils
Technical Additives, Tracers
- Fermentation Products
Technical Additives, Antioxidants
- Flax Products (See 'Other Oilseed Products')
- Rice Products
- Human Food By-Products
- Rye Products
- Grain Sorghums
- Screenings
- Lespedeza Products
- Soybean Products
- Maize Products
- Special Purpose Products
- Marine Products
Additional Special Purpose Products
- Milk Products
Special Purpose Products, Flavoring Agents
- Mineral Products
Special Purpose Products, Color Additive Description of Salts, Complexes and Chelates
- Vitamins
- Miscellaneous Products
- Wheat Products
- Molasses and Molasses Products
- Yeast Products
- Non-Protein Nitrogen
Do you need this publication in a different format? Contact the WSDA Receptionist at (360) 902-1976 or TTY (800) 833-6388.
AGR PUB 606-766 (N/6/19) OFFICIAL PUBLICATION (OP) DEFINED INGREDIENTS, 2018 | 1
Official Publication (OP) Defined Ingredients, 2018 The ingredients listed are to reference the feed ingredient category on the Commercial Feed License Application (Form 4273) and Inspection Fee Report (Form 4309). In order to meet the conditions of an ingredient it must conform to the definition in the 2018 OP.
Footnotes (apply to all category sections)
Spray Dried Animal Blood Cells Animal Plasma Meat Meal Ensiled Paunch Meat and Bone Meal Egg Product Meat Meal Tankage Leather Hydrolysate Meat and Bone Meal Tankage (Mammilian or Poultry) Stock/Broth Hydrolyzed Hair Meat Protein Isolate Hydrolyzed Leather Meal Air Dried Animal Blood Cells (Air Swept Tabular Drying) Spray Dried Animal Blood Hydrolyzed Whole Swine Poultry