"The disclosure comes amid growing concern over the use of modern antibiotics on British farms, driven by price pressure imposed by the big supermarket chains. Intensive farming with thousands of animals raised in cramped conditions means infections spread faster and the need for antibiotics is consequently greater. Three classes of antibiotics rated as 'critically important to human medicine' by the World Health Organization ? cephalosporins, fluoroquinolones and macrolides ? have increased in use in the animal population by eightfold in the last decade."
Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/C-T_D1XlRE8/story01.htm
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