GelsChromatography, High Pressure LiquidChromatography, AffinityChromatography, GelChromatographyChromatography, GasChromatography, Ion ExchangeChromatography, LiquidChromatography, Thin LayerSensitivity and SpecificityMolecular Sequence DataLimit of DetectionMolecular WeightAmino Acid SequenceChromatography, DEAE-CellulosePolymerase Chain ReactionElectrophoresis, Polyacrylamide GelBase SequenceElectrophoresis, Gel, Two-DimensionalMass SpectrometryKineticsChromatography, AgaroseGas Chromatography-Mass SpectrometryReproducibility of ResultsElectrophoresis, Agar GelChromatography, Reverse-PhaseHydrogen-Ion ConcentrationBlotting, WesternElectrophoresis, Gel, Pulsed-FieldCattleEscherichia coliSubstrate SpecificityIsoelectric FocusingCloning, MolecularEnzyme-Linked Immunosorbent AssayChromatography, PaperSepharoseAmino AcidsTime FactorsRabbitsTandem Mass SpectrometryImmunoassayDNA, BacterialDNA PrimersRNA, MessengerSpectrophotometry, UltravioletDNAEvaluation Studies as TopicSpectrometry, Mass, Electrospray IonizationBacterial ProteinsIndicators and ReagentsMethodsRecombinant ProteinsSpecies SpecificityCell LineTemperatureLiverReference StandardsProtein BindingPeptide FragmentsCalibrationNucleic Acid HybridizationSequence Analysis, DNAChemical FractionationBacteriological TechniquesPeptidesSwineCells, CulturedChemistryAntibodies, MonoclonalElectrophoresisChemical PhenomenaDrug StabilityDNA ProbesTrypsinReagent Kits, DiagnosticMagnetic Resonance SpectroscopyProteinsBiological AssayCulture MediaBiosensing TechniquesCarbohydratesSequence Homology, Amino AcidMutationHydrolysisRadioimmunoassayFecesMicrochemistryChromatography, Micellar Electrokinetic CapillaryReverse Transcriptase Polymerase Chain ReactionBinding SitesSignal Detection, PsychologicalImmunoenzyme TechniquesCross ReactionsCarrier ProteinsIsoenzymesElectrochemistryCarbohydrate SequenceHot TemperatureFalse Positive Reactions