Bismuth Sulphite Agar Medium (Twin Pack) (In accordance with IP 1996) 100G

Recommended for selective isolation and identification of Salmonellae in accordance with IP, Salmonella Enteritidis and Salmonella Typhimurium typically grow as black colonies (rabbit eye colonies) with a surrounding metallic sheen, Salmonella Paratyphi A grow as light green colonies, Shigella species are mostly inhibited on this medium, Proteus species are inhibited but few strains give dull green or brown colonies with metallic sheen