Stratford News PDHU investigating dog biting incident SHARE ON: Patrick Grapes, staff Friday, Mar. 28th, 2014 The Perth District Health Unit is asking for your help in finding a dog involved in a biting incident. The PDHU says it happened sometime between 7:30 p.m. and 8:00 p.m. last night on the corner of Home and Maple. The dog is a small Shih Tzu type that’s grey in colour with short hair. It was being walked by a man who was walking another similar dog. If you have any information about this dog, its owner or this incident you’re asked to call the PDHU at 519-271-7600 ext 252. After hours or over the weekend call 1-800-431-2054.