Liha töötlemine
cells to attach and to entrap more food soil
inside (Hood and Zottola 1995) and contami-
Control of Listeria monocytogenes
nate the food as it passes by. There is evi-
in Meat-Processing Plants
dence that usual sanitation practices are less
effective on attached microorganisms com- Listeria monocytogenes is a pathogenic bac-
pared with free cells (Holah et al. 1990a). terium that is widely spread throughout the
Resistance of treated biofilms to sanitizing environment. It has been isolated from soil,
Plant Cleaning and Sanitation 295
water, silage, and many other environmental the dicing machine, L. monocytogenes origi-
sources. Listeriosis may develop in birds, nally found in plant A was soon also found
animals, and humans. L
annaabi.ee 
