At Cornell, we used injectable (ketamine) and gas (isoflourane) for ferrets. We did find an increased incidence of seizures with ketamine, though I'm not sure about the other injectables. I prefer isoflourane, as the safest of all options. I'd love to hear from the other vets on this one, cause as soon as the law passes, I plan to start a ferret practice!! i miss the little guys! -Dr. Karen [Posted in FML issue 1312]