FecesWater PollutionAnimals, DomesticWater MicrobiologyCattleCattle DiseasesBifidobacteriumIntestinesSwineDiarrheaAnimal FeedCoprophagiaColony Count, MicrobialGerm-Free LifeIntestine, LargeRNA, Ribosomal, 16SDNA, BacterialBilePolymerase Chain ReactionBacteroidesDigestionCampylobacterLactobacillusDigestive SystemCecumBiotransformationBacterial SheddingSwine DiseasesAdministration, OralEubacteriumEscherichia coli O157Fatty Acids, VolatileGiardiaEscherichia coli InfectionsFermentationCryptosporidiosisGiardiasisSalmonellaClostridiumGastrointestinal ContentsDNA, RibosomalBacteriaIsosporaDietCryptosporidiumDesulfovibrionaceae InfectionsPhylogenyHorsesIntestinal AbsorptionBifidobacteriales InfectionsSpecies SpecificityGastrointestinal TractSalmonella Infections, AnimalSpirochaetales InfectionsColonSequence Analysis, DNAAbattoirsLawsonia BacteriaCarbon RadioisotopesCulture MediaDietary FiberBile Acids and Salts