Foley, P A Effect of DL-malic acid supplementation on feed intake, methane emissions, and performance of lactating dairy cows at pasture. [electronic resource] - Journal of dairy science Jul 2009 - 3258-64 p. digital Publication Type: Journal Article ISSN: 1525-3198 Standard No.: 10.3168/jds.2008-1633 doi Subjects--Topical Terms: AnimalsCattle--metabolismDairyingDiet--veterinaryDietary SupplementsEating--physiologyFemaleLactation--physiologyMalates--administration & dosageMethane--metabolismMilk--chemistryRandom AllocationRumen--metabolism