Blood Agar (TSA with Sheep Blood) Medium

Grow a wide variety of fastidious organisms on Thermo Scientific™ Blood Agar (TSA with Sheep Blood), a general purpose non-selective medium with the addition of sheep blood in the formulation to promote the presence and visualization of haemolytic reactions so it can be used as a diagnostic tool.

Tryptone Soya Agar (casein soya bean digest agar) with defibrinated sheep blood is suitable for the cultivation of fastidious aerobic and anaerobic bacteria, the latter of which can be grown either in deep cultures or by incubation under anaerobic conditions. The combination of casein digest and papaic digest of soybean meal leads to optimal growth due to synergy between the protein supply of casein and the carbohydrate supply of soybeans. Sterile defibrinated sheep blood used to enrich the medium produces the hemolysis characteristics of different bacteria, such as streptococci, listeria, hemolytic Staphylococcus, Escherichia coli and Pseudomonas.

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