Oranges, tangerines, and clementines are not toxic to dogs. However, they are high in sugars and can potentially cause GI upset if your pet eats too many of them. The citric acid in these fruits is not a concern to dogs. It can be a problem in some cats. read more
In addition, mandarin oranges have a high amount of sugar and fiber but low sodium: To overweight dogs, sugar can be the problem. They have been fat already; eating more sugar just makes them more obese. read more