A very nutritious general-purpose medium based on Columbia agar base enriched with 5% sheep blood, suitable for the isolation of most organisms including most fastidious anaerobes of clinical significance. Many workers claim that β-haemolysis is more readily apparent, particularly in group A streptococci, when sheep blood is used in place of horse blood.
- Storage temperature: 2 to 8°C
- Appearance: firm gel
- Colour: cherry red
- Recommended incubation: as required by organisms
- pH: 7.3 ± 0.2
- Plate size: 90mm
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