<http://schema.org/about>
"I always thought the 'it makes them grow faster'  reasoning for why they put antibiotics in animal feed was a myth and that the truth was more complex.  Farmers found they could crowd animals"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/is-it-true-that-farmers-feed-antibiotics-to-livestock-to-make-them-grow-faster.html>