Actinobacillus pleuropneumoniaeActinobacillus InfectionsPleuropneumoniaActinobacillusSwine DiseasesHaemophilusSwineHemolysin ProteinsSerotypingAspartate Ammonia-LyaseTransferrin-Binding ProteinsHaemophilus InfectionsPleuropneumonia, ContagiousAntibodies, BacterialCytotoxinsPasteurella multocidaActinobacillus suisPasteurellaceaeBacterial VaccinesPalatine TonsilBacterial ProteinsVirulenceTylosinBacterial CapsulesPolysaccharides, BacterialLungBacterial Outer Membrane ProteinsGenes, BacterialIron-Binding ProteinsMolecular Sequence DataHaemophilus paragallinarumSulfite Reductase (Ferredoxin)DNA, BacterialPasteurellaTransferrin-Binding Protein BComplement Fixation TestsAntigens, BacterialBacterial ToxinsSpecific Pathogen-Free OrganismsAgglutination Tests