Kropyvka YG, Bomko VS. EFFECTIVENESS OF USING MIXED-LIGAND COMPLEXES OF ZINC, MANGANESE AND COBALT IN FEEDING HIGHLY PRODUCTIVE COWS IN THE EARLY DRY PERIOD. Scient.Prog.&Innov. [Internet]. 2021 Sep. 24 [cited 2025 Oct. 14];(3):118-26. Available from: https://journals.pdau.edu.ua/visnyk/article/view/1541