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Animal Waste, Water Quality and Human Health

Animal Waste, Water Quality and Human Health

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Comparative risk analysis 397Table A10.2 Pathogenic E. coli.Reference Prevalence (%) Concentration NotesCattle/cows/calvesBesser et al. (2001) – ≤30 to ≥10 7 /g Calves, Washington StateChase-Topping et al. (2006/7) – – Demonstrated presence of “super-shedders”within herdsDonkersgoed et al. (1999) 19.7, 0.7 – Summer, winterDuffy (2003) 0.1–62 – Irish stock (review of 26 studies)Fegen et al. (2003) –

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