Effect of feed composition on the nutritional value of meat of African catfish L. A. Shadieva, E. M. Romanova, V. N. Lyubomirova, V. V. Romanov and T. M. Shlenkina BIO Web Conf., 27 (2020) 00134 Published online: 25 November 2020 DOI: 10.1051/bioconf/20202700134