Isolation of Listeria monocytogenes from raw milk and its environment at dairy farms in Japan

Microbiology and Immunology
S TakaiS Tsubaki

Abstract

The incidence of Listeria monocytogenes contamination in raw milk from farm bulk tanks and silage was investigated monthly at 20 dairy farms in Aomori prefecture, Japan, from January to July in 1989. Listeria sp. was isolated from one sample (5%) of raw milk collected in May, but L. monocytogenes was not isolated from raw milk. L. monocytogenes was isolated from two samples of silage (10%) collected in June. Silage, cow feces, sawdust bedding, dust and soil in these farms were tested for listerias, and we confirmed listerias contamination of the environment in the dairy farms.

References

Mar 1, 1989·The Journal of Applied Bacteriology·D R Fenlon, J Wilson
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May 1, 1988·International Journal of Food Microbiology·N Skovgaard, C A Morgen
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Jul 26, 1985·JAMA : the Journal of the American Medical Association
May 1, 1984·Applied and Environmental Microbiology·L Dominguez RodriguezE Rodriguez Ferri

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Citations

Jun 1, 1992·International Journal of Food Microbiology·C H RyuS Kumagai
Jan 1, 1996·Microbiology and Immunology·H UenoC Morita
Feb 26, 2013·Journal of Food Protection·Megumi HasegawaKatsuya Hirai
Nov 20, 1998·The Journal of Veterinary Medical Science·T YoshidaK Hirai
Jan 19, 2006·Journal of Food Protection·Brian D SaudersMartin Wiedmann

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