Abad, Paloma Use of Onion Extract as a Dairy Cattle Feed Supplement: Monitoring Propyl Propane Thiosulfonate as a Marker of Its Effect on Milk Attributes. [electronic resource] - Journal of agricultural and food chemistry Feb 2017 - 793-799 p. digital Publication Type: Journal Article ISSN: 1520-5118 Standard No.: 10.1021/acs.jafc.6b04395 doi Subjects--Topical Terms: Animal Feed--analysisAnimalsCattle--metabolismDietary Supplements--analysisFemaleMethane--metabolismMilk--chemistryOnions--chemistryOrganophosphorus Compounds--analysis