4 replies to this topic

[rbrock2004]

I understand the Effective control of L. monocytogenes requires prevention of contamination (to the extent possible) and prevention of growth through time/temperature or formulation control. Knowledge of potential harborage sites is important, as contamination is more likely to occur when the organism has become established in a niche. Food processing plant surveys have found Listeria in the following locations (listed approximately in the order of prevalence):

• floors
• drains
• coolers
• cleaning aids such as brushes, sponges, etc.
• product and/or equipment wash areas
• food contact surfaces
• condensate
• walls and ceilings
• compressed air

Does anyone have sources of slide shows to better illustrate Listeria prevention ?

[rahul]

pLS GO TO www.fsis.usda.gov you will get valuable information.

Rahul

[rbrock2004]

Thanks for you assistance

[Tony-C]

I understand the Effective control of L. monocytogenes requires prevention of contamination (to the extent possible) and prevention of growth through time/temperature or formulation control. Knowledge of potential harborage sites is important, as contamination is more likely to occur when the organism has become established in a niche. Food processing plant surveys have found Listeria in the following locations (listed approximately in the order of prevalence):

• floors
• drains
• coolers
• cleaning aids such as brushes, sponges, etc.
• product and/or equipment wash areas
• food contact surfaces
• condensate
• walls and ceilings
• compressed air

Does anyone have sources of slide shows to better illustrate Listeria prevention ?

I am not sure about your order of prevalence. I would be seriously worried if I found Listeria on food contact surfaces or food contact surface cleaning equipment.

Regards,

Tony

[Tony-C]

pLS GO TO www.fsis.usda.gov you will get valuable information.

Rahul

Thanks for the link Rahul

This looks quite useful:

http
://origin-www.fsis.usda.gov/Frame/Fram.../harborage.htm

Regards,

Tony