is grape jelly harmful to dogs
Many possibilities have been ruled out, and the exact component of a grape that causes the toxicity is still a mystery. Grape seed extract is not listed as a threat. From Rioâs story, veterinary criticalist Nathan Lippo, DVM, DACVECC, says that any amount of grapes can be toxic to a dog. âThe toxin in the fruit is unknown, but we do know itâs in the flesh of the grape â not the seeds, not the skinâ¦.