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Agriculture

Calysta’s natural gas fish food gets tryout

by Melody M. Bomgardner
May 18, 2019 | A version of this story appeared in Volume 97, Issue 20
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This photo shows a beaker containing Calysta's natural-gas-derived shrimp feed.
Credit: Calysta
Calysta's shrimp food contains protein made from natural gas.

Shrimp fed protein made from natural gas were, in turn, fed to attendees at the recent Seafood Expo Global in Brussels. The alternative protein technology belongs to California’s Calysta, which grows protein-rich bacteria by feeding them methane. Rather than fish meal from wild-caught fish, Thai Union Group’s shrimp ate the new protein along with tuna-processing by-products. Calysta and Cargill are building a facility in Memphis, Tennessee, to produce the feed protein.

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