The extruded feed ingredients of salmon and trout included: fish powder, soybean meal, plant protein concentrates, wheat gluten, wheat flour, corn gluten, gelatin, fish oil and vegetable oils, mineral and vitamin supplements also probiotics, and immune stimulants. As the increasing demand for this type of fish, we tried to use high-quality raw materials and the latest technology machines to have nutritious and rich in amino acids food. All are to strengthen growth rate, fish resistance to disease, improve feed conversion ratio, and high digestibility. These measures are to preserve fish populations and prevent contamination and common diseases in the water.