Organic and conventional farms alike rely on animal manure for fertilizer, which studies have shown is the main source of fecal pathogens like salmonella and E. coli.

 
  • 有机体和常态农场同样依靠动物粪便来当作肥料,这些粪肥也是沙门氏菌和大肠杆菌病原体的来源。
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