Grapes, raisins, currants, and sultanas should never be fed to dogs. You should also make sure your dog does not consume raisin bread, grape juice, or grape jam and jelly. Be aware that some protein bars contain raisins, making them a source of toxicity to your dog. ...
Of concern to us were cases of acute renal failure in dogs, after their ingestion of grapes or raisins. The European Pet Food Industry Federation (2013) considers only the grape or raisin itself to be potentially dangerous; grape-seed extractsper-se, are not considered to be a threat. Our...