Streptococcus zooepidemicus
Correct name: Streptococcus equi subsp. zooepidemicus. Pinpoint to small, semi-transparent, mucoid colonies.		The same Blood Agar plate examined with transmitted light. The colonies are surrounded by a narrow haemolytic zone.
General characteristics: Catalase-negative. Attacks sugars by fermentation. Non-motile.
Microscopy: Phase contrast - chains Phase contrast - long chain Gram stain