| abstract |
Use of at least one compound as defined by formula (I) or a salt thereof as an active compound in animal feed to reduce the formation of methane emanating from the digestive activities of ruminants. ** Formula ** wherein R1 and R2 independently of each other represent H, -CH3 or -CH2R3, and where R3 is a saturated or unsaturated C1-C8 hydrocarbon group, linear, branched or cyclic, optionally substituted with 1 to 3 groups selected from - OH, -NH2, -COOH, and wherein one or two of the carbon atoms in the C1-C8 hydrocarbon is optionally substituted with a nitrogen or oxygen atom. |