Changes

*Facultative anaerobes

*Facultative anaerobes

*Intracellular pathogens

*Intracellular pathogens

*''L. monocytogenes is haemolytic on blood agar due to a cytolytic protein, listeriolysin; grows at range of pH values and temperatures

*''L. monocytogenes'' is haemolytic on blood agar due to a cytolytic protein, listeriolysin; grows at range of pH values and temperatures

*''L. ivanovii produces strong haemolytic zone

*''L. ivanovii'' produces strong haemolytic zone

*Small, smooth, transparent colonies after 24 hours incubation

*Small, smooth, transparent colonies after 24 hours incubation

*Grow on non-enriched media

*Grow on non-enriched media

===Clinical infections===

===Clinical infections===