AbomasumCattleStomach, RuminantCattle DiseasesReticulumOmasumHaemonchiasisStomach DiseasesRumenHaemonchusSheepKetosisParturient ParesisSheep DiseasesBromusTrichostrongyloidiasisTrichostrongyloideaAnimal FeedDigestionMilkNematode InfectionsDigestive SystemGastrointestinal ContentsGastrointestinal MotilityVagotomyAnimal Nutritional Physiological PhenomenaNitrogen