Association of farm management practices with risk of Escherichia coli contamination in pre-harvest produce grown in Minnesota and Wisconsin - (International Journal of Food )
November 29, 2007 – 8:53 pmhttp://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T7K-4PTW4G8-1&_user=10&_coverDate=12%2F15%2F2007&_rdoc=11&_fmt=summary&_orig=browse&_srch=doc-info(%23toc%235061%232007%23998799996%23675069%23FLA%23display%23Volume)&_cdi=5061&_sort=d&_docanchor=
A
bstract
Microbiological analyses of fruits and vegetables produced by farms in Minnesota and Wisconsin were conducted to determine the prevalence of Escherichia coli in pre-harvest fruits and vegetables. During the 2003 and 2004 harvest seasons, 14 organic (certified by accredited organic agencies), 30 semi-organic (used organic practices but not certified) and 19 conventional farms were sampled to analyze 2029 pre-harvest produce samples (473 organic, 911 semi-organic, 645 conventional). Before each harvest season, a farmer survey was conducted to collect relevant information on farm management practices that might affect the risk of E. coli contamination in fresh produce. The use of animal wastes for fertilization of produce plants increased the risk of E. coli contamination in organic (OR = 13.2, 95% CI = 2.261.2, P-value
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