My poor 2 year old gsd, 75 kg, has been experiencing terrible diarrhea during the past 2 or 3 weeks and after eliminating different foods/treats we have come to the conclusion that dentastix have caused it. Today was the worst episode I have witnessed: 7 times and the last was bloody. When we arrived home after our walk I searched the web and have found so many complaints that I have contacted Pedigree with mine. I am shocked and very sad that such a company has not withdrawn the product and investigated.