Cows fed small amount of seaweed burp 86 per cent less methane in trial – ABC News

Feeding cattle a small amount of a seaweed species found in Australia has been shown to reduce their methane emissions by up to 86 per cent.
Key points:

• Red seaweed contains a compound that can reduce the production of methane
• Proponents say it could be the equivalent of removing 100 million cars from the road if adopted by the agriculture industry
• Some scientists warn the side effects of eating red seaweed on a large scale could include the production of ozone-depleting gas

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