I just saw a similar article in Dog Fancy magazine (an older issue, from 2008) that said avocado is toxic. This was news to me, as I had just purchased a bag of Avoderm dogfood, made with avocados and it hadn't killed my dog yet . 2 pages later, an ad for Avoderm. I think someone got a little confused with that list. I do know avocado is toxic to parrots, but it's good for dogs and cats.