%0 Book %T Scientific basis of feeding and keeping poultry %A Okolelova, T.M. %A YEngashyev, S.. %K agricultural poultry, feed products, rationing of nutrients, minerals and biologically active substances, technological parameters of poultry keeping, causes and prevention of diseases associated with disorders in feeding and keeping poultry %D 2021 %P 439 %I Publishing Center RIOR