title: Observations on the bacterial flora of the alimentary tract in three age groups of normal chickens.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000302:isolation & purification*; D001439:Bacteroides / Q000302:isolation & purification; D002645:Chickens; D003013:Clostridium / Q000302:isolation & purification; D004926:Escherichia coli / Q000302:isolation & purification; D007421:Intestine, Small / Q000382:microbiology*; D007778:Lactobacillus / Q000302:isolation & purification