Stratford News PED comes to Perth County SHARE ON: Patrick Grapes, staff Wednesday, Feb. 5th, 2014 Porcine Epidemic Diarrhea has hit Perth County. The Ontario Ministry of Agriculture confirmed the case this morning at a farrow-to-finish operation. The ministry has also confirmed another case of the deadly disease in Chatham-Kent. That puts the total number of infected farms in Ontario at seven. PED was first confirmed in the province on January 22nd at a Middlesex County farm.