Lawsonia BacteriaBrachyspiraLawsonia PlantDesulfovibrionaceae InfectionsSpirochaetales InfectionsBrachyspira hyodysenteriaeSpirochaetalesSwine DiseasesGram-Negative Bacterial InfectionsIntestinal DiseasesSwineSpirochaetaceaeEnteritisPhytochemicalsFecesDysenterySpirochaetaCucumisCoriandrumIleitisSalvia officinalisHorse DiseasesPolymerase Chain ReactionBacterial SheddingDNA, BacterialGram-Negative BacteriaIleumRNA, Ribosomal, 16SHippurates