BARFBLOG: Greenhouse vegetable food safety: Watch those dirty boots - (barfblog)
April 8, 2008 – 9:33 pmhttp://barfblog.foodsafety.ksu.edu/2008/04/articles/culture-of-food-safety/greenhouse-vegetable-food-safety-watch-those-dirty-boots/index.html
The April 2008 issue of Journal of Food Protection (http://www.ingentaconnect.com/content/iafp/jfp/2008/00000071/00000004;jsessionid=1ra0b01n8doue.henrietta) contains a cool paper (http://www.ingentaconnect.com/content/iafp/jfp/2008/00000071/00000004/art00001) on a survey of Salmonella and E. coli at a greenhouse tomato farm in Mexico.
During 2003 and 2004 the authors sampled over 1600 product and environmental samples, before, during and after a couple of environmental disturbances: a flood and the entry of wild animals (opossums, mice and sparrows).
The authors isolated Salmonella Montevideo, Salmonella Newport, and strains of the F serogroup from tomatoes and go on to state that almost all of the Salmonella Newport strains were isolated from samples collected during or immediately after the flood.
Analysis by pulsed-field gel electrophoresis revealed that some Salmonella Montevideo isolates from tomatoes, opossums, and mice displayed identical genetic patterns, suggesting that these wild animals represented a potential source of contamination.
The fun part of paper is that the authors suggest that dirty work shoes were also thought to be […]
MORE:
http://www.extension.iastate.edu/foodsafety/news/fsnews.cfm?newsid=25265
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