[1]
Kropyvka, Y., Bomko, V. and Kropyvka, S. 2021. The economic efficiency of the use of mixed ligand complexes of Zinc, Manganese and Cobalt in the rations of highlyproductive cows of the Ukrain-ian Red-Spotted Dairy breed. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural sciences. 23, 95 (Dec. 2021), 82-86. DOI:https://doi.org/10.32718/nvlvet-a9512.