Motility by wet preparation is NOT recommended. Motility medium is more reliable, but shouldn't be read until 18-24 hours.
- Bacillus anthracis is non-motile
- Bacillus cereus is motile
Bacillus species are catalase positive. Catalase testing MUST be performed in a biosafety cabinet (BSC) due to the creation of aerosols.
India ink can reveal the capsule but testing is NOT recommended.