Kropyvka, Y. G., Bomko, V. S., & Babenko, S. P. (2020). FEED CONSUMPTION, REPRODUCTIVE FUNCTIONS, RUMEN METABOLISM, DIGESTIVENESS AND NITROGEN BALANCE IN HIGHLY PRODUCTIVE COWS IN THE SECOND PERIOD OF LACTATION FOR THE FERTILIZATION OF MIXED- LIGAND ZINC, MANGANESE AND COBALT COMPLEXES. Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology, 21(2), 76-85. https://doi.org/10.36359/scivp.2020-21-2.10