Sorption-probiotic supplement in the diet of calves and its effect on the functional maturity of their rumen, morpho-biochemical blood status and productivityEvdokia V. Alexandrova, Oleg A. Desyatov, Vasily E. Ulitko and Alexey V. KornienkoBIO Web Conf., 27 (2020) 00089DOI: https://doi.org/10.1051/bioconf/20202700089