Growth-promoting antibiotics: On the way out?

Court instructs FDA to resume efforts aimed at banning use of low-dose antibiotics in livestock feed

By Janet Raloff, 13:13 PM March 23, 2012

In 1950, Science News ran a story showing for the first time that a potent antibiotic could do more than knock out disease. New animal experiments, we reported, “cast the antibiotic in a spectacular new role” as a livestock growth promoter. Lacing the food of hogs with trace quantities of this drug increased meat yields by up to 50 percent, scientists at Lederle Laboratories had reported at a research conference. Sixty-two years later — to the day — a federal judge has now ordered the Food a...

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