Recently, there has been a need to find new ways to intensify the poultry industry thus maximizing the net yield. The inclusion of such protein-rich feed additives as maize gluten and Organic in the diet of broiler chickens in the amount of 3 % of mixed feed weight both separately and in the mixture increased the body weight gain by 8.8–19.2 %, survival rate – by 3.3 %, feed efficiency – by 0.23–0.26 of energy feed units or by 9.1–9.8 %, productivity index (European Production Efficacy Factor) – by 47.9–91.7 units or 35.5–36.7 %. Besides, their meat quality was improved: the content of dry matter, protein, fat and ash increased by 8.44–8.54 %; 1.56–1.6 %; 0.89–0.98 %; 0.16–0.2 %. The total tasting score of pectoral muscles increased by 5.8–6.3 %. Additional profit per head increased by 7.94–19.65 rubles, the level of profitability of broiler chicken cultivation increased by 5.37–13.14 %.