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A general purpose medium enriched with 5% Defibrinated Horse Blood, suitable for the isolation of most organisms including many fastidious anaerobes. -
A very nutritious general-purpose medium based on Columbia Agar Base enriched with 7% 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.
