7/19/2013 10:18 AM

Scientists at the USDA Agricultural Research Service in Beltsville, Md., are working on reducing the incidence of porcine reproductive and respiratory syndrome, or PRRS.

Are egg-laying hens being treated well enough without increasing their cage size?

  • Yes
  • No
  • Unsure

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4/21/2015 | Last Updated: 7:30 AM