What is the approximate fish oil requirement ratio for farming one ton of Cobia?

Answer

3.84 tons of wild fish would need to be caught.

A significant environmental consideration highlighted for farmed cobia, specifically the marine net-pen variety, relates directly to its feed dependency, particularly the fish oil component. The metric established indicates that to produce just one metric ton of farmed cobia, approximately 3.84 tons of wild fish must be harvested solely to supply the necessary fish oil content for that batch's feed mix. Although efforts are being made to incorporate more sustainable byproducts into the feed composition, this high ratio of reliance on wild forage fish remains a critical factor influencing its sustainability scoring under certain environmental assessments. This intensive input requirement contrasts sharply with the environmental profile of responsibly managed wild-caught options.

What is the approximate fish oil requirement ratio for farming one ton of Cobia?

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