Justification of a synbiotic preparation (“probiotic+prebiotic”) composition for use in veterinary practiceI.A. Gneusheva, N.E. Pavlovskaya, I.Yu. Solokhina and N.Yu. AgeevaE3S Web Conf., 254 (2021) 09010DOI: https://doi.org/10.1051/e3sconf/202125409010