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.

Can American expertise significantly boost the productivity of third-world farmers?

  • Yes
  • No
  • Unsure

User Submitted Photos

View photos      Submit your photos

4/1/2015 | Last Updated: 5:30 AM