The MDP was a joint venture between USDA's Agriculture Marketing Service (AMS) and a dozen state agricultural labs that performed the actual testing. The work that the MDP executed was important in limiting the outbreaks of Listeria, E. coli, and Salmonella. The goal of MDP was to provide monitoring data on targeted pathogens in selected fruits and vegetables. As yet there is no indication that the USDA has a plan to replace the current work performed by the MDP.
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