On application of emulsified probiotic preparation of Bacillus subtilis Evgeny Skvortsov, Rishat Mukhammadiev, Rinat Mukhammadiev and Lenar Valiullin BIO Web Conf., 27 (2020) 00064 Published online: 25 November 2020 DOI: 10.1051/bioconf/20202700064