Stratford News PED hits sixth farm in Perth County SHARE ON: Ethan Rabidoux, staff Tuesday, Apr. 1st, 2014 There’s another case of PED in Perth County. The virus was confirmed on a nursery operation last Friday. Porcine Epidemic Diarrhea has wormed its way on to six farms in Perth County and 43 farms across Ontario. There are nine cases in Oxford County and five in Huron. It has also spread to Manitoba, Quebec and PEI. The disease has wiped out millions of piglets across the United States. PED is not contagious to humans and does not impact meat quality.