Drug-resistant genes spread through environment, not meat

First study to track antibiotic resistance in beef production suggests policy-makers need to switch focus to combat drug-resistant bacteria.

In the first study to track antibiotic resistance in intensively farmed beef, scientists discovered a "startling" lack of resistance genes in meat.

Meanwhile, in soil and feces samples from cattle pens, they found genes resistant to a powerful "last-resort" class of antibiotics called carpabemens that aren't used in the livestock industry. These genes may have jumped from people or companion animals to livestock or could even be present at low levels in the wider environment.

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