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Oral Transmission of Listeria monocytogenes in Mice via Ingestion of Contaminated Food
Published on: May 6, 2013
Listeria in effluents from the food-processing industry
1Institute of Veterinary Medicine, Robert von Ostertag-Institute, Berlin, Federal Republic of Germany.
Revue Scientifique Et Technique (International Office of Epizootics)
|September 1, 1991
Summary
Listeriosis, caused by Listeria, significantly impacts humans and animals. This bacterium spreads through contaminated food and environments, posing risks in food processing plants.
Area of Science:
- Food Safety
- Microbiology
- Veterinary Medicine
Background:
- Listeriosis is a significant zoonotic disease affecting both humans and animals.
- Listeria monocytogenes is a primary pathogen causing abortion, septicaemia, and meningitis.
- Listeria ivanovii is a key cause of abortion in animals.
Purpose of the Study:
- To highlight the impact of Listeria on public health and animal health.
- To identify sources and routes of Listeria contamination in food processing.
- To assess the risks associated with Listeria in food production environments.
Main Methods:
- Literature review on Listeria epidemiology and transmission.
- Analysis of Listeria sources in food processing plants.
- Evaluation of environmental factors promoting Listeria growth.
Main Results:
- Listeria monocytogenes is frequently isolated from human and animal carriers and the environment.
- Animals excreting Listeria are a primary source of contamination in food processing plants.
- High humidity and waste in food plants facilitate Listeria proliferation, making removal difficult.
Conclusions:
- Listeria contamination poses a persistent risk in food processing, leading to recontamination of equipment and products.
- Food processing plant effluents contribute to environmental Listeria spread.
- While plant effluents are a source, other environmental factors and waste also contribute to Listeria circulation.
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