@book{YEngashyev2020the, author={YEngashyev, S.. and Okolelova, T.M. and Engasheva, E.S. and Lesnichenko, I.Y. and Salgereev, S.M. and Dorogova, O.A. and Kochish, I.I. and Kochish, O.I. and Struk, A.N. and Struk, E.A.}, title={The methodology recommendations on the use of drugs that stimulate the productivity and preservation of poultry, and improve product quality}, publisher={Publishing Center RIOR}, year={2020}, pages={43}, }