Photo of Daniel B. Cohen

Daniel B. Cohen is the owner of Maccabee Seed Co., an agricultural research-and-development and consulting company in Davis California.

A new kind of professional There are missing professions that would integrate epidemiology, farming and ecology. These are professions that would deal not just with existing human pathogens on-farm and in the rural environment, but with emerging pathogens and their control or prevention. They would cover the interaction of human
Continue Reading The New Country Doctor and the Clinical Diagnosis of the Farm

An unnoticed side effect of the U.S. Food and Drug Administration’s (FDA) proposed Produce Rules will be the impact on the economics of large-scale animal production in the United States because they will be unable to dispose of their manures and litter off-site. Cattlemen, large chicken producers and other industry
Continue Reading FDA's Proposed Produce Rules Consistently Ignore Microbial Ecology

Violating the explicit language of the Food Safety Modernization Act (FMSA), the Food and Drug Administration’s (FDA) Proposed Produce Rule gives a complete pass to imported vegetables grown with sewage sludge, contaminated to various degrees with heavy metals, polycyclic aromatic hydrocarbons, volatiles, flame retardants, pharmaceuticals, steroids, hormones (1,2) radiologicals (3)

Continue Reading FDA Barely Considers Biological, Chemical and Radiological Inputs in Proposed Produce Rule

Our process of framing and regulating produce food safety is upside down and backwards.


Human pathogens constantly flow from urban environments and animal production into farm environments, contaminating water and soil, and finding a home in wildlife. Then we ask farmers to deliver pathogen-free fruits and vegetables.

Produce is increasingly
Continue Reading Produce Farming on the Brink