Lancefield classifiction of Streptococcus is based on
Based on oxygen requirement - aerobic/ ananerobic Brown's classification -Based on haemolysis on blood agar (alpha, beta, gamma) Streptococci maybe classified based on carbohydrate C antigen of cell wall into Lancefield groups (A-W ecxcluding I, J) M protein types classified into Griffith types
M protein
Carbohydrate C antigen of cell wall
Hemolysis
Bile solubility
Systemic Bacteriology Pa 1 (Gram Positive Cocci, Gram Negative Cocci)