The production of fish feed requires several important steps. First, to know well the food habits of the species involved, then their nutrient requirements or the way to estimate them. Having this clear, we proceed to look for the best available sources of nutrients, emphasizing those that are more similar to those that provide them with food in a natural way, in order to balance well energy, amino acids, vitamins and minerals. Then the flours should be homogenized for optimal mixing, and may require some type of pre-conditioning that facilitates some level of buoyancy. Then the extrusion is carried out according to the size of the bite to be received according to the growth stage of the animal. You can add fats or other nutrients after the extrusion. Finally, it is packed and stored