%0 Journal Article %T Energy metabolism in aberdeen-angus bulls during the growing period with different levels of metabolizable protein in the diets %A DEN'KIN, A.I. %A LEMEShEVSKIY, V.O. %K metabolizable energy, metabolizable protein, energy balance, substrates, bull calves, gain, growth. %J Agrarian Bulletin of the %D 2020 %N 199 %P 8 %I Ural State Agrarian University