These were Arizona sp., E. coli, Salmonella sp. and Shigella sp. lysine iron agar stab cultures.Lysine iron agar tests for the detection of both lysine decarboxylase (LDC), and hydrogen sulfide (H2S) production, when attempting to identify members of the family Enterobacteriaceae, especially for Salmonella spp. and Arizona spp..
Credit CDC/ Dr. Edwards
