AmmoniaNitrosomonasCarbamoyl-Phosphate Synthase (Ammonia)NitrogenHyperammonemiaUreaGlutamate-Ammonia LigaseGlutamineAmmonium ChlorideNitrogen RadioisotopesNitrificationGlutaminaseHepatic EncephalopathyHydrogen-Ion ConcentrationManureNitrosomonas europaeaGlutamate DehydrogenaseRumenAmino AcidsPhenylalanine Ammonia-LyaseGillsGlutamate SynthaseQuaternary Ammonium CompoundsAcetyleneGlutamatesMethionine SulfoximineArchaeaUreaseFatty Acids, VolatileAcidosisNitrogen IsotopesFish ProteinsMethylaminesUrea Cycle Disorders, InbornOxidation-ReductionAirOxidoreductasesAminohydrolasesBacteriaAnimal FeedOncorhynchus mykissPerseaKetoglutaric Acids