%0 Journal Article %T IMPROVEMENT OF THE CONTENT OF THE DRIGALSKI LACTOSE AGAR NUTRIENT MEDIUM %A Ermakov, V.V. %A Datchenko, O.O. %A Kurlykova, Y.A. %K mix formulation, environment, agar, lactose, differentiation, enterobacteria, breeding ground %J Bulletin Samara State Agricultural Academy %D 2019 %N 4 %P 7 %I Samara State Agrarian University