%0 Conference Article %T ISSUES OF THE PREVENTION OF METABOLIC DISORDERS IN MILKING COWS: PROTEIN AND ENERGY NUTRITION %A Krupin, E.O. %K cow, feed, diet, blood, milk, productivity %J Multifunctional adaptive fodder production 30(78) %D 2023 %P 6 %I Federal Williams Research Center of Forage Production and Agroecology