I had always heard that avocado was toxic so I did a quick search. Apparently avocado can make some smaller dogs sick, especially if taken in large portions. So you can't feed a Yorkie three avocados. :wink: Also like Platz stated the skin, the leaf and the nut are toxic. Garlic is another one of those foods that is always on the toxicity list for dogs. I've given my dogs a spoonful of garlic on occasion and it hasn't harmed them at all. As a matter of fact, I've read that it's a good flea and tick preventative. *shrug* I guess the rule should be use common sense and feed any new food in moderation.