Amino Acids, SulfurMethionineSulfurDietImmunization, PassiveAmino AcidsNutritional RequirementsTaurineSulfur CompoundsDietary ProteinsAmino Acids, EssentialCysteine DioxygenaseFIGLU TestCysteineNitrogenSulfatesBody WeightSulfur IsotopesHomocysteineGlutathioneCaseinsHomocystineCysteine SynthaseCystathionine gamma-LyaseLiverVegetable ProteinsVitamin UCystathionineCystathionine beta-SynthaseDiet, Protein-RestrictedGlutamate-Cysteine LigaseBetaine-Homocysteine S-MethyltransferaseSequence Homology, Amino AcidCholesterol, LDLPyridoxineAnimal FeedDioxygenasesSulfidesChickensCarbon IsotopesOxidation-ReductionWeight GainAmino Acid SequenceGlutathione DisulfideDietary Fats, UnsaturatedRats, Inbred StrainsSulfur DioxideAnimal Nutritional Physiological PhenomenaSwineRandom AllocationOxygenasesAmino Acid SubstitutionEatingBiological Availability