It is used for selective isolation and differentiation of Campylobacter species in accordance with FDA BAM, 1998. The medium is used for the isolation and cultivation of a wide variety of fastidious organisms including Vibrio species. On supplementation of blood, can be used to study haemolytic reactions. Tryptose and beef heart infusion provide nutritional requirements for the pathogenic bacteria. Sodium chloride maintains the osmotic equilibrium of the medium.