A study of the possibility of using animal feed additives and probiotic feed additives in the diet of fishDmitry Rudoy, Elena Ponomareva, Victor Pakhomov, Tatiana Maltseva, Mariya Mazanko, Anastasiya Olshevskaya and Evgenia RumyantsevaE3S Web of Conf., 381 (2023) 01079DOI: https://doi.org/10.1051/e3sconf/202338101079