Tyson, Smithfield call for humane treatment of hogs, more spacious housing for pregnant sows

  • by: JUSTIN JUOZAPAVICIUS , Associated Press
  • Updated: January 10, 2014 - 12:20 AM

TULSA, Okla. — The yearslong call by animal rights groups to improve conditions on American hog farms advanced considerably this week when two of the country's biggest meat companies urged producers to change how pregnant sows are housed, and one announced it wanted to stop the practice of killing sick or injured animals by "manual blunt force."

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