Spreading Antibiotics In The Soil Affects Microbial Ecosystems

Antibiotics used extensively in intensive livestock production may be having an adverse effect on agricultural soil ecosystems. Researchers describe how antibiotics passed from the animals in manure that was then spread on farmland. Although higher organisms, such as earthworms, would only be affected at unrealistic concentrations of antibiotics, changes in soil bacterial communities have been found repeatedly using molecular microbiological techniques.

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