Bacillus anthracis — Colony Characteristics
Sheep blood agar (SBA) Colonies are nonhemolytic, flat or slightly convex with irregular edges and ground-glass appearance. There are often comma shaped projections from the colony edge producing a “Medusa-head” colony. |
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| Colonies have a sticky consistency when manipulated with a loop. |  |
| No growth on MacConkey agar. |
