RumenSwimming PoolsCiliophoraFatty Acids, VolatileFermentationSheepReticulumAnimal FeedCattleRuminantsDigestionBacteriaAbomasumMethaneEukaryotaStomach, RuminantFibrobacterSilageNitrogenGene PoolPoaceaeMethanobrevibacterRuminococcusAnimal Nutritional Physiological PhenomenaCelluloseOmasumAmmoniaGastrointestinal ContentsButyrivibrioPropionatesMedicago sativaPeptococcaceaeDietGram-Negative Anaerobic BacteriaMonensinHydrogen-Ion ConcentrationBacteroidesAnaerobiosisEubacteriumPrevotellaHydrogenationDietary FiberMetagenomeCellobioseCerealsGoatsGastric JuiceEructationAcetatesStarchZea maysButyratesSelenomonasDietary ProteinsRNA, Ribosomal, 16S