Smithfield Foods, the world’s biggest pork processor, said on Sunday it will shut a U.S. plant indefinitely due to a rash of coronavirus cases among employees and warned the country was moving “perilously close to the edge” in supplies for grocers. Slaughterhouse shutdowns are disrupting the U.S. food supply chain, crimping availability of meat at retail stores and leaving farmers without outlets for their livestock. Smithfield extended the closure of its Sioux Falls, South Dakota, plant after initially saying it would idle temporarily for cleaning. The facility is one of the nation’s largest pork processing facilities, representing 4% to 5% of U.S. pork production, according to the company. South Dakota Governor Kristi Noem said on Saturday that 238 Smithfield employees had active cases of the new coronavirus, accounting for 55% of the state’s total. Noem and the mayor of Sioux Falls had recommended the company shut […]