So, for your information, your ESA is very different from the service dogs. For nutrient C, can dogs eat oranges? Indeed, canines can eat oranges. The service dogs are trained in months by the special training centers, and they are trained under the Americans with Disabilities Act, ADA. While your ESA are not trained and they are only for emotional support, at multiple places, they are not welcome at all and you have to refrain from taking them to these places.