TY CONF TI Nutritional value and chemical composition of feed harvested in the Vologda region KW nutritional value KW chemical composition KW crude protein KW crude fiber KW energy KW highly productive cow KW diet KW feeding system JO Multifunctional adaptive fodder production AU Gusarov, I.V. PY 2022 PB Federal Williams Research Center of Forage Production and Agroecology