AmmoniaManureEndo-1,3(4)-beta-GlucanaseCarbon FootprintNitrogen CycleMicroclimateHumic SubstancesAdipatesAnimal FeedAir MovementsNitrogenAnimal HusbandryUrineAnimal Nutritional Physiological PhenomenaFecesSwineOdorsAcid-Base EquilibriumBuffersRandom AllocationDietHydrogen-Ion ConcentrationDietary CarbohydratesPositron-Emission TomographyFermentationCattleOtoacoustic Emissions, SpontaneousTomography, Emission-ComputedVehicle EmissionsFluorodeoxyglucose F18RadiopharmaceuticalsNitrosomonasNitrogen RadioisotopesCarbamoyl-Phosphate Synthase (Ammonia)Tomography, Emission-Computed, Single-PhotonUreaNitrificationGlutamate-Ammonia LigaseHyperammonemiaGlutamineAmmonium ChlorideFluorine RadioisotopesGreenhouse EffectMethaneSpectrometry, FluorescenceAir PollutantsAtmosphereGlutaminaseVolatilizationHepatic EncephalopathyBrainRumenCarbon DioxideNitrosomonas europaeaCarbon RadioisotopesGlutamate DehydrogenaseGasesMultimodal ImagingAmino AcidsEnvironmental MonitoringDenitrificationTomography, X-Ray ComputedQuaternary Ammonium CompoundsPentanesPhenylalanine Ammonia-Lyase