Incubate plates at 35-37°C in aerobic atmosphere for 36-48 hours

Primary Listeria Selective Supplement E&O Laboratories Ltd Primary Listeria Selective Supplement (LS0210) is a selective mixture used to supplement Primary Listeria Selective Agar (E&O PP7025) in order to facilitate the isolation of Listeria monocytogenes in foodstuffs and other samples.