Klebsiella Characteristic mucoid colonies are a consequence of the organism’s abundant polysaccharide capsule. Lactose-fermenting colonies Escherichia coli colonies Lactose-fermenting ...

Neomycin Blood Agar based on Columbia Agar enriched with 7% Horse Blood this formulation has been modified to include Neomycin, which will inhibit most gram-positive and gram-negative ...

MacConkey agar inoculated with lactose-fermenting Escherichia coli (at left) and non-lactose-fermenting Proteus (at right). Lactose-fermenting bacteria appear bright pink, while non-lactose-fermenting ...