Given the fact that science has not yet isolated the exact toxin that is causing some dogs to develop
severe grape toxicity or that part of the grape that contains a significantly higher proportion of the toxic substance, it is possible that the scientific community's recommendation for not giving grapes to dogs is more cautious.
Since there are dogs that would seem more susceptible to the development of
severe kidney damage after consumption of even the smallest amounts of
grapes, it is thus imperative that you know more about
grape toxicity.