The predominantfattyacids(FA)incow’smilkarethe
long chainfattyacids(LCFA);myristic(14:0),palmitic
(16:0) andstearic(18:0).Thesefattyacidsarebelievedto
elevate serumconcentrationsofcholesterolandlow
density lipoproteincholesterolwhichincreasetheriskof
cardio-vascular diseasesinhumans(Mansbridge and
Blake, 1997). RuminalmetabolismofFAsgreatlyinfluence
milk FAprofileofdairycows.