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Achieving food independence is one of the key elements necessary to ensure the country’s food security. Currently, the problem of the imbalance between domestic pork production and its consumption remains unresolved in Russia. One of the relevant directions in this area is the improvement of pig feeding systems in order to increase productivity, taking into account the preservation of the quality of products. For example, the use of bioemulsifiers designed to compensate for a temporary age-related lack of bile secretion in young animals can reduce the viscosity of intestinal contents, thereby positively affecting metabolism, productivity and product quality. The purpose of the work was to study the effect of an unconventional bioemulsifier feed additive on the productive traits of pigs of Large White breed during rearing and fattening. The carried out research revealed an increase in average daily gains and live weight in young pigs receiving a bioemulsifir feed additive of 0.75 and 1 kg/ton of feed. Thus, in the musculus longissimus dorsi of pigs treated with bioemulsifier there was a tendency to increase the content of dry matter, in the 1st experimental group its content was by 1.33 abs.% (p < 0.05), in the 2nd experimental group it was 0.19 abs.% higher than in the control group. The largest amount of protein and fat was contained in musculus longissimus dorsi of pigs of the 1st experimental group 19.96 and 7.66 %, which exceeded the herdmates of the control group by 2.25 (p < 0.01) and 0.88 abs.% (p < 0.05), respectively. The use of the unconventional bioemulsifi er feed additive in pig rearing and fattening improves metabolic activity and allows for higher-quality meat and fat products, which justifiably recommends its use in the pig diet in order to increase economically useful characteristics and economic efficiency of pork production.