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Friday, January 30, 2015

Could cattle feedlots be spreading antibiotic resistance through the air?

A team from the Institute of Environmental and Human Health at Texas Tech University (TTU) in Lubbock, TX, analyzed air samples around feedlots at cattle farms in the Southern High Plains that lie in northwestern Texas.
In the journal Environmental Health Perspectives, they report how they found evidence of feedlot-derived bacteria, antibiotics and bits of DNA that code for antibiotic resistance, in the samples.
The study is thought to be the first to document evidence of airborne transmission of antibiotic resistance from an open-air farm setting.
The researchers accept that while they couldn't assess whether the amounts of the materials they found were dangerous to humans, the results shed light on previously unanswered questions about which routes antibiotic-resistant bacteria could be using to travel long distances to places inhabited by humans. READ MORE

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