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A by-product of protein production from the larvae of the black soldier fly ( Hermetia illucens ) is a zoocompost consisting of a variety of organic compounds. The purpose of the work was to determine the hazard class of the zoo complex - the waste of cultivation of Hermetia illucens larvae using biotesting methods, since the use of calculated methods to determine the hazard class is difficult. Biotesting experiments were carried out on test organisms: planktonic crustacean Daphnia magna , algae Chlorella vulgaris , seeds of Avena sativa , Triticum vulgare and Hordeum sativum . It has been established that the zoocompost refers to low-risk waste. Extractions of the zoocompost stimulate the growth of plants Avena sativa and Hordeum sativum , it is supposed to be used as a phytostimulator. It has been shown that an environmentally friendly wasteless method for the production of protein additive from insects is possible.