date:Apr 28, 2014
of the U.S. Midwest and Plains States and extends south to North Carolina, the nation's No. 2 hog producer. Iowa ranks first.
It's a complete lifestyle change, said Iowa State's Baker. In the past the truckers haven't thought of biosecurity much.
Some hog farmers prohibit outside visitors. Others require workers to change clothes when entering and leaving barns. Truck drivers wipe down the step into their cabs, disinfect their steering wheels and change boots or wear disposable booties before