For citations:

Vasilieva S.V. Investigation of the interconnection of the metabolism of Carotine, vitamins A and E in cows at the beginning of the lactation period with the level of beta-hydroxybutyrate. Legal regulation in veterinary medicine. 2023;(2):139-143. (In Russ.) https://doi.org/10.52419/issn2782-6252.2023.2.139