According the ASPCA Animal Poison Control Center, they have found that grapes and raisins can cause poisoning in dogs when eaten in large quantities. This is something that dog owners should be aware of if you normally give your pet fruits and vegetables as snacks.The Center managed 140 grape/raisin poisoning cases from April 2003 to April 2004. According to their information, out of these 140 cases, over 50 of these dogs developed symptoms of toxin poisoning ranging from vomiting to kidney dama...