Analysis of gases produced by metabolism of micro-organisms.
D000818:Animals; D001419:Bacteria / Q000378:metabolism*; D002417:Cattle; D002623:Chemistry Techniques, Analytical / Q000295:instrumentation*; D005285:Fermentation; D005740:Gases / Q000032:analysis*; D012417:Rumen / Q000382:microbiology*
D005740:Gases