Escherichia coli (lactose-positive), and Proteus sp. (lactose-negative) colonies on MacConkey agar.
Cultivation 24 hours, 37°C in an aerobic atmosphere.
Escherichia coli (lactose-positive), and Proteus sp. (lactose-negative) colonies on MacConkey agar.
Cultivation 24 hours, 37°C in an aerobic atmosphere.