LasalocidMonensinIonophoresFuransFood AdditivesNigericinRumenFatty Acids, VolatileAnimal FeedValinomycinCalcimycinCattleTylosinStomach, RuminantEstrus DetectionCoccidiaPoloxaleneProton IonophoresMineralsIonomycinPotassium IonophoresSkatoleMedicago sativaDigestionEthersSodium IonophoresFermentationPotassiumCarbonyl Cyanide m-Chlorophenyl HydrazoneCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneHydrogen-Ion ConcentrationDysprosiumSodiumCalcium