Grapes are still very much a topic of discussion in classes, since grape seed oil is very popular with dogs and when they select it they do seem to do well on it, but as discussed in a previous blog it is unclear as to whether the whole grape, in rare cases is toxic for some dogs, even fatal, or if it is just the flesh or skin. However in the October dog class, a student told us that her dog had had had a seizer due to eating grapes, none the less when she read that dogs often select the oil with positive effects she decided to offer the grape seed oil, which he continues to take with no ill effect.
This makes me wonder if the culprit is mycotoxin (a fungal toxin) found on the skin of some grapes, especially taking into consideration the work of Sarah Kinson with captive meerkats. Sarah noticed that the only food being taken to the clay was the grapes, which they were dusting them in it before eating them. Another student noticed his parrot pealing the skin off some grapes but not others.
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