What evidence indicates the presence of anaerobes in cultures?

Question

Quizplus · Accepted Answer

Several clues can alert the microbiologist that anaerobes may be present on the primary plates.These include (1) a foul odor upon opening an anaerobic jar or bag; (2) colonies present on the anaerobically incubated sheep blood agar plates but not on the CO₂-incubated blood or chocolate agar plates; (3) good growth, more than 1 mm in diameter, of gray colonies on the Bacteroides bile esculin (BBE) plate; (4) colonies on either the KVLBA or anaerobic SBA plate that fluoresce brick-red under ultraviolet light or a double zone of hemolysis on SBA incubated anaerobically.

What Evidence Indicates the Presence of Anaerobes in Cultures