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.
PP1750 – Columbia Agar Base with 7% Defibrinated Sheep Blood
|Shelf Life (days)|
|Storage Temp (°C)|
|Bacteroides fragilis||NCTC 9343||Small grey colonies|
|Escherichia coli||NCTC 12241||Grey colonies|
|Streptococcus pyogenes||NCTC 12696||White colonies with β-haemolysis|