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To produce feed that the cows enjoy, the researchers cut a small amount of red seaweed with cattle feed and molasses.

You only need to add a little seaweed to the cows' regular food.

Yep and I guess if it is only California dairy cows then that wouldn't be a lot either. Time to think about farming seaweed :)

Seaweed farming is a thing, and has been for about 400 years.

What’s also cool is that oceans sequester carbon in seaweed the same way forests sequester it in trees. So it’s a win-win to farm seaweed!