Factory-fish farming.

• Position: Statistics on environmental aspects - Brief Article - Illustration

Factory-Fish Farming Number of different algicides, herbicides, pesticides, and other chemical additives normally fed to farm-raised salmon in 1989 3 Number of being used in 2000 26 Time it takes, in catfish pond producing 5,000 kilograms of fish per year, to drop 10 tons of waste into the water 1 YEAR Average period of time a pond is used in raising catfish for human consumption, before draining and refilling with fresh water 6 YEARS PCB concentrations found in wild salmon, in a recent study, in pg/g 5,302 PCB concentrations found in farmed salmon 51,216 Percentage of global production of fish and seafood coming from aquaculture in 1970 3.9 Percentage coming from aquaculture in 2000 27.3 Estimated amount of beef produced, worldwide, in 2002, in...