In Ivory Coast. the freshwater fishculture in rural areas is mainly on a small scale. This type of breeding in ponds (2 to 4 ares) yields on an average 3 metric tons of fish/ha/year and represents only an activity with self-consumption of products. The yield in intensive pond fishculture Tilapia nilotica is on an average 6 to 7 metric tons/ha/year but yields bigger than 10 metric tons... https://www.roneverhart.com/Western-Digital-Red-WD80EFZX-8TB-5-4K-RPM-SATA-6Gb-s-3-5-HDD/