Tilsetningsstoffer i fôrreferer til små eller sporstoffer som er tilsatt i prosessen med fôrproduksjon, prosessering og bruk. Mengdentilsetningsstoffer is small but the effect is significant. Tilsetningsstoffer i fôr are inevitable raw materials used in the modern feed industry. They have obvious effects on strengthening the nutritional value of basic feeds, improving animal production performance, ensuring animal health, saving feed costs, and improving the quality of livestock products.