This means they would hit $1,940 (€1,359) per metric ton, up from an average of $1,355 (€948.9) per metric ton between 2008 and 2010.

Also by 2020, fish oil prices could rise by 19 percent to $1,382 (€967.8) per metric ton, while farmed fish prices would increase by 50 percent to $2,825 (€1,978) per metric ton, said the report.

The figures were included in the OECD-FAO Agricultural Outlook 2011, compiled by the United Nations’ Food and Agricultural Organization (FAO) and the Organization for European Cooperation and Development (OECD).

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