Biological traits 1.G short ro capsule facultative anaerobe, bipolar Staining: retaining stain at the ends of cells 2. Turbidity and preciptation during cultivation 它2 3 Weak resistance to harsh environmentBiological traits 1 . G － short rod, capsule, facultative anaerobe, bipolar Staining: retaining stain at the ends of cells. 2 . Turbidity and preciptation during cultivation 3 . Weak resistance to harsh environment