@article{Lashkova2026natural, author={Lashkova, T.B. and Petrova, G.V. and Zhukova, M.Y.}, title={NATURAL BIOLOGICALLY ACTIVE PREPARATION FOR FEEDING CALVES}, journal={Bulletin of KSAU}, publisher={Krasnoyarsk State Agrarian University}, year={2026}, pages={97-106}, volume={0}, issue={3}, }