Animal Instincts Photos
Stench? Moi?
A pig peers through the bars in a pen at a research complex in Montmorenci, Ind., March 22, 2005. Purdue University scientists are making progress taming hogs' smell by attacking the source of the problem, namely the feed gobbled up by swine. Their research is a response to growing pressure, from federal regulators, environmentalists and rural residents, on the livestock industry to clean up its act.
(Photo: AP)
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