Ag tech company Symbrosia is scaling up production of its feed supplements for more environmentally friendly livestock production.

A Big Island aquaculture company is greatly expanding its seaweed farm in Kona to supercharge production of algae-based supplements that reduce planet-warming cow burps.

Symbrosia’s plans for a 30-fold increase to cover 15 acres, announced Wednesday, would make it the world’s largest land-based seaweed farm.

The agricultural tech company has researched and developed seaweed solutions to livestock-related environmental issues since 2019, focusing on using limu kohu — an algae native to Hawaiʻi — to cut down on cattle belches while boosting productivity and growth.

New deals with several leading livestock producers in the U.S. and Europe will power Symbrosia’

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