%0 Journal Article %T Study of the influence of soybean protein hydrolyzate for poultry %A Ezelev, A.V. %A Tkachenko, Y.G. %A Fedorova, Z.N. %A Bliadze, V.G. %K soybean protein hydrolyzate, laying hens, quails, egg production, anti-stress action %J Adaptive Fodder Production %D 2019 %N 2019 %P 7 %I Federal Williams Research Center of Forage Production and Agroecology