作者
Sangshin Park, Sarah Navratil, Ashley Gregory, Arin Bauer, Indumathi Srinath, Mikyoung Jun, Barbara Szonyi, Kendra Nightingale, Juan Anciso, Renata Ivanek
发表日期
2013/7/15
期刊
Applied and environmental microbiology
卷号
79
期号
14
页码范围
4347-4358
出版商
American Society for Microbiology
简介
The objective of this study was to determine the effects of farm management and environmental factors on preharvest spinach contamination with generic Escherichia coli as an indicator of fecal contamination. A repeated cross-sectional study was conducted by visiting spinach farms up to four times per growing season over a period of 2 years (2010 to 2011). Spinach samples (n = 955) were collected from 12 spinach farms in Colorado and Texas as representative states of the Western and Southwestern United States, respectively. During each farm visit, farmers were surveyed about farm-related management and environmental factors using a questionnaire. Associations between the prevalence of generic E. coli in spinach and farm-related factors were assessed by using a multivariable logistic regression model including random effects for farm and farm visit. Overall, 6.6% of spinach samples were positive for …
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S Park, S Navratil, A Gregory, A Bauer, I Srinath, M Jun… - Applied and environmental microbiology, 2013