The benefits of development cage fish farming Umida Sangirova, Zulfiya Khafizova, Iskandar Yunusov, Barna Rakhmankulova and Umirzok Kholiyorov E3S Web Conf., 217 (2020) 09006 Published online: 14 December 2020 DOI: 10.1051/e3sconf/202021709006