Swine producers share strategies for keeping foreign animal diseases away from pigs. 

As farmers and researchers develop ways to protect the U.S. swine herd from disease, two guiding principles have emerged: Make biosecurity as easy as possible for farm workers, and if there is an outbreak, keep it contained to a single farm, or better yet, a single building.

Deb Murray, a veterinarian with New Fashion Pork, explained what the farms have deployed to make it easier for staff to enter and exit hog buildings while maintaining biosecurity protocol. She was part of a panel...