Antibiotics and the Environment

"It is estimated that between 9 and 13 million kilograms of antibiotics are used annually in the United States for raising livestock, with the majority being used for growth advancement and disease prevention purposes. Large amounts of antibiotics fed to livestock are excreted and end up in animal manure, which is commonly applied to agricultural land to provide crop nutrients. Therefore, food crops grown on manure-altered soils are exposed to antibiotics.

Large amounts of antibiotics fed to livestock are excreted and end up in animal manure, which is commonly applied to agricultural land to provide crop nutrients.

Scientists at the University of Minnesota have been evaluating the impact of antibiotic feeding in livestock production on the environment. This particular study, funded by the United States Department of Agriculture (USDA), evaluated whether food crops accumulate antibiotics from soils spread with manure that contains antibiotics."

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