Antibiotic Resistance

Tetracyline-Resistant Genes In Groundwater Illustrate Potential For Spreading Resistance

Published in Medical Letter on the CDC and FDA, May 27th, 2001

Genes resistant to tetracycline have been found in groundwater as far as a sixth of a mile downstream from two swine facilities that use antibiotics as growth promoters. The finding is significant in part because it shows the potential for spreading resistance back into the food chain of animals and people, researchers say.

U.S. farmers for more than 50 years have used tetracycline and other antibiotics to enhance the growth of livestock. In humans, an overuse of antibiotics is blamed for a growing resistance to many antibiotics, and agricultural use has been suspected in the spread of resistance genes. The European Union is phasing out such agricultural use;...

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Source: Medical Letter on the CDC and FDA (2001-05-27)

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