Saturday, June 21, 2014 10:07 AM
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John Schmidt, a wildlife trapper, sets a trail camera to record the presence of feral hogs near one of his traps in New Orleans, Tuesday, June 17, 2014. An estimated 5 million swine, descendants of both escaped domestic pigs and wild Eurasian boars imported by hunters, do about $800 million in damage a year to farms nationwide. Damage outside farms and population control bring the annual total to $1.5 billion. A preservative used to cure bacon is being tested as poison for feral hogs. Scientists with U.S. Department of Agriculture say sodium nitrite may be the best chance for controlling the big, prolific animals, which cost the U.S. about $1.5 billion a year_ including $800 million in farm damage. (AP Photo/Gerald Herbert)