Influence of biologically active compounds on milk production and metabolism of lactating cowsRoini Sharvadze, Elena Gaidukova, Tamara Krasnoshchekova, Ketevan Babukhadiya and Andrey BurmagaE3S Web Conf., 203 (2020) 01005DOI: https://doi.org/10.1051/e3sconf/202020301005