Interactions between methanogenic bacteria and hydrogenic ciliates in the rumen.
D000818:Animals; D002417:Cattle / Q000382:microbiology; D016798:Ciliophora / Q000382:microbiology*; D004463:Ecology; D019605:Euryarchaeota / Q000254:growth & development*; D012417:Rumen / Q000382:microbiology*; D012756:Sheep / Q000382:microbiology