Columbia Agar with 5% Sheep Blood Columbia Agar with 5% Sheep Blood is a general purpose culture medium used for the growth and recovery of fastidious microbial species.

Reason: A low level of surface and subsurface contamination of Listeria monocytogenes on 9 lots of non-sterile prepared plated media containing sheep blood, typically visible immediately upon removal from the packaging. The contamination is typically observed as 1-3 CFUs per plate when present.

Code information: Catalogue # 221263 with Lot #4099228

Distribution pattern: Worldwide Distribution - US nationwide including Puerto Rico, Belgium, Canada, Philippines, Singapore, and Taiwan.