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Contamination of lettuce with antibiotic resistant E. coli after slurry application Organic Eprints
Jensen, Annette Nygaard; Storm, Christina; Baggesen, Dorte Lau; Forslund, Anita; Dalsgaard, Anders.
Due to disease outbreaks associated with contaminated vegetables it has been speculated to what extent this may be linked with application of animal manure as fertilizer, which is particularly practiced in organic vegetable production where conventional fertilizers are prohibited. A field survey was therefore performed to assess the survival and transfer of antibiotic-resistant E. coli from animal manure to lettuces, with E. coli serving as an indicator of bacterial enteric pathogens.
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health Crop husbandry Farm nutrient management.
Ano: 2011 URL: http://orgprints.org/20418/3/20418.pdf
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Escherichia coli Contamination of Lettuce Grown in Soils Amended with Animal Slurry Organic Eprints
Jensen, Annette Nygaard; Storm, Christina; Forslund, Anita; Baggesen, Dorte Lau; Dalsgaard, Anders.
A pilot study was conducted to assess the transfer of Escherichia coli from animal slurry fertilizer to lettuce, with E. coli serving as an indicator of fecal contamination and as an indicator for potential bacterial enteric pathogens. Animal slurry was applied as fertilizer to three Danish agricultural fields prior to the planting of lettuce seedlings. At harvest, leaves (25 g) of 10 lettuce heads were pooled into one sample unit (n ~ 147). Soil samples (100 g) were collected from one field before slurry application and four times during the growth period (n ~ 75). E. coli was enumerated in slurry, soil, and lettuce on 3M Petrifilm Select E. coli Count Plates containing 16 mg/liter streptomycin, 16 mg/liter ampicillin, or no antimicrobial agent. Selected...
Tipo: Journal paper Palavras-chave: Food security; Food quality and human health Composting and manuring Crop husbandry Crop health; Quality; Protection.
Ano: 2013 URL: http://orgprints.org/23106/7/23106.pdf
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Faecal contamination of lettuce heads after manure application Organic Eprints
Jensen, Annette Nygaard; Storm, Christina; Forslund, Anita; Baggesen, Dorte Lau; Dalsgaard, Anders.
In recent years, an increasing number of disease outbreaks have been associated with consumption of contaminated vegetables. Thus, it has been speculated to what extent such contamination is associated with application of animal manure as fertilizer, which is particularly practiced in organic vegetable production where conventional fertilizers are prohibited. A field survey was therefore performed aiming to assess the survival and transfer of E. coli from animal manure to lettuces, with E. coli serving as an indicator of bacterial enteric pathogens. Animal manure was applied to 3 Danish fields prior to planting of lettuce seedlings, then 5-8 weeks later at the normal time of harvest, inner and outer leafs of 10 lettuce heads were pooled into one sample...
Tipo: Conference paper, poster, etc. Palavras-chave: Food security; Food quality and human health.
Ano: 2010 URL: http://orgprints.org/20941/1/20941.pdf
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