Study of high fat feed for sturgeon fish D V Osepchuk, N. A. Yurina, E V Kuzminova, A N Gneush, D. A. Yurin and E. A. Maxim E3S Web Conf., 224 (2020) 04029 Published online: 23 December 2020 DOI: 10.1051/e3sconf/202022404029