3.3.1.1. Total fixed cost
Medium- and long-term capital in Guangdong (USD 2492) was about 2-fold higher than in Zhejiang (USD 1401) (Table 6). Farmers in Zhejiang invested 91.1% of their medium- and long-term capital on oxygenators (Table 6), while machinery investments by farmers in Guangdong included other aquaculture equipment, i.e. diesel generators, harvest nets, feed mixers, and water pumps.