RETRACTED: New supplementary feeds for sterlet in industrial cultivation Elena Ponomareva, Peter Geraskin, Angelika Kovaleva, Marina Sorokina, Uliana Aleksandrova and Dmitry Rudoy BIO Web Conf., 84 (2024) 01045 Published online: 05 January 2024 DOI: 10.1051/bioconf/20248401045