Plastic floating cages improve fish farming in Khánh Hòa Province stockbot 0 110 2021.11.29 19:28 http://vietnamnews.vn/society/1087707/plastic-floating-cages-improve-f… + 4 https://vietnamnews.vn/rss/society.rss + 0 After seven months of farming, Sĩ noticed the survival rate of fish was up to 90 per cent and the average fish weighed about five kilogrammes each.