The effectiveness of the use of astaxanthin in production feeds for promising aquaculture objectsAliya Akhmedzhanova, Sergey Ponomarev, Yulia Fedorovykh, Olga Levina, Tatyana Starikova and Evgeny DutikovE3S Web Conf., 363 (2022) 03001DOI: https://doi.org/10.1051/e3sconf/202236303001