The content provides information about the different species of the Listeria genus, with a focus on L. monocytogenes and its association with listeriosis in humans. It also discusses the detection and enumeration of L. monocytogenes in food and the food processing environment. Standard methodology and alternative rapid methodologies are described for the detection and isolation of L. monocytogenes. Sample sizes, purification techniques, confirmation methods, and subtyping procedures are also explained. Additionally, the content mentions the enumeration of L. monocytogenes in positive food samples using colony count on selective agars and MPN enumeration.

Download L. monocytogenes determination protocol.