Kona-grown seaweed helping reduce cattle methane emissions

  • Puffballs of Asparagopsis taxiformis, known as tetrasporophytes, float freely in a Blue Ocean Barns growing vessel. Courtesy photo/Special to West Hawaii Today

  • After the seaweed is harvested, Blue Ocean Barns dries it and mills it into a powder for easy mixing into cows' regular rations. Courtesy photo/Special to West Hawaii Today

  • Growing vessels filled with Asparagopsis taxiformis seaweed at Blue Ocean Barns facility. Courtesy photo/Special to West Hawaii Today

  • A cow grazes in North Kona. (Laura Ruminski/West Hawaii Today file photo)

  • Algae Technician Kelsi Clarke monitors Asparagopsis taxiformis seaweed at Blue Ocean Barns' growing facility in NELHA. Courtesy photo/Special to West Hawaii Today

An agricultural technology company located at the Natural Energy Laboratory of Hawaii Authority is growing seaweed in an effort to reduce cattle methane emissions around the world.