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A comment on Most sushi fish isn't fresh. Parent comment

Re:Most sushi fish isn't fresh by amag on Tuesday October 17, 2017 @07:13PM (#15495734)
The problem with farming salmon is that the food pellets salmons eat are made out of wild caught fish. Typically, for every kg of salmon you need 2kg of wild caught fish...so not really sustainable.
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Re:Most sushi fish isn't fresh by semi-extrinsic on Wednesday October 18, 2017 @12:59AM (#15496983)
Current food-to-fish ratios are much closer to unity, usually 1.1 to 1.2.

The nice thing about inefficiencies such as this one is that the cost is not externalized, thus companies have a large incentive towards reducing the problem.

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Re:Most sushi fish isn't fresh by xjlin0 on Wednesday October 18, 2017 @09:19AM (#15498865)
what is that ratio of the wild caught salmon?
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