Feed additives that work to curb cattle methane emissions, including organic compound 3-nitroxypropanol (3NOP) and essential oils, are already on the market in the European Union, Brazil, Chile and ...

The others include 3-nitrooxypropanol, a synthetic compound, and a kind of seaweed ... whose team is now collecting more data to see whether feeding cattle citrate can reduce methane production ...

Researchers tempted grazing cattle with sweet molasses feed to discover whether cows would roam far to graze or stick close to the herd, water supplies and feed stations.