While avocado may be a healthy snack for dog owners, it should not . It's been suggested that eating the fruit can reduce the risk of having a Carrots · Can Dogs Eat Apples? · Can Dogs Eat Grapes? · Can Dogs Eat Celery? 11 Healthy Fruit & Vegetable Treats for Your Dog or Cat NEVER feed your pet the following foods, which are potentially toxic: Grapes, raisins. If you're on the lookout for new and fun ways to rev up your furry best friend's diet, adding vegetables can be a really healthy way to do that.