%0 Conference Article %T DIGESTIBILITY OF NUTRIENTS AND THE USE OF MINERAL SUBSTANCES IN THE ORGANISM OF HENS WHEN INCLUDED IN THE FEED OF BIOLOGICALLY ACTIVE ADDITIVES %A Astrahancev, A.A. %A Kosarev, K.V. %K %J Proceedings of The international scientific and practical conference %D 2024 %P 5 %I Ural State Agrarian University