title: Ecological concepts of the anaerobic flora in the avian intestine.
mesh_terms: D000375:Aging; D000693:Anaerobiosis; D000818:Animals; D001419:Bacteria / Q000145:classification; D002645:Chickens; D004463:Ecology; D007422:Intestines / Q000254:growth & development / Q000382:microbiology*; D009928:Organ Specificity