Regarding to growing of the fish farming industry in all over the world, demand for high quality aquatic feed is also increasing. That is important and a key to success, adapt feed formulations for the specific of different fish types, so the extruding process plays a big role sinking and floating of feed. Fish oil, fishmeal, soya protein, wheat gluten, wheat and peas, micro ingredients, vitamins, pigments etc. are commonly used in aquatic feed formulations.
