Feed ingredient handling

Three meals, different sources and processes

This collection covers soybean meal, sunflower meal and tuna meal: protein-rich feed ingredients that are not interchangeable simply because they are sold as meals. Soybean meal is the ground residue after most oil is extracted from soybeans. Sunflower meal comes from whole or dehulled seed, and the degree of hull removal affects its protein and fiber profile.

Tuna meal is fish-derived, but the name alone does not identify whether it comes from whole fish, trimmings or canning byproducts. Processing history matters too. Compare each ingredient using its own identity and lot analysis, not a generic meal description.

Match the ingredient to the feed formulation

For soybean meal, confirm extraction method and whether it is dehulled; processing affects the product’s composition and nutritional value. For sunflower meal, ask about hull retention, any hulls added back and extraction method. Its higher fiber and lower lysine relative to soybean meal can limit some non-ruminant applications.

For tuna meal, establish the raw material and processing history before assessing suitability. Canning-byproduct meal can have been cooked twice, which can affect protein availability and lipid quality. Use species-specific formulation review rather than assuming equivalence with other fish meals.

Plan for receiving and storage

Keep dry meals protected from moisture, condensation and contamination. For bulk offers, compare the physical form, delivery method and receiving requirements alongside the nutrient analysis. Ask for a current lot certificate of analysis, including the analytical basis, and compare moisture, protein, fat, fiber and ash.

Pay particular attention to lipid condition and oxidation controls for tuna meal: fish meals can be susceptible to oxidation, heat development and loss of protein digestibility. Confirm the lot’s storage guidance and any relevant freshness information rather than assuming all meals need identical handling.

Common questions.