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Russian experts discover a new type of fish feed additive
Russian fish farming experts have recently found that chitosan, a biopolymer extracted from the shells of marine crustaceans, can be used as a fish feed additive, making fish feed easier to transport; fish that eat feed containing chitosan become plumper and finer. Ordinary fish feed is processed into loose pellets, but during transport it easily crumbles from friction or squeezing, and once put into water it quickly swells and breaks apart from soaking, causing waste. Therefore, when processing fish feed, adhesive ingredients need to be added to strengthen