Tyson Foods announced March 11 it plans to close its Perry pork processing plant in June to “optimize the efficiency of our operations to best serve our customers,” a company spokesperson stated.

The plant employs more than 1,200 people and processes about 8,250 hogs per day. That represents about 5.5% of Iowa’s hog slaughter capacity and roughly 1.7% of the U.S. hog slaughter capacity,...