I read today that the Animal Poison Control Center has documented multiple cases of poisoning in dogs from grapes and raisins. They are toxic to the kidneys. 1 grape per pound of body weight and 2 raisins per pound of body weight. So a 50 pound dog can die from eating 50 grapes or 100 raisins. Please let any dog owner you know about this. If you want to read more about it go to
http://www.flyingdogpress.com/raisins.html
http://www.flyingdogpress.com/raisins.html