The most obvious sign that your dog is obese is if they have gained weight. You can check your dog's body condition score by feeling their ribs.
Obese dogs often have less energy than they should. They may be less active, and they may tire easily.
The extra weight can put a strain on your dog's joints, leading to pain. This can make it difficult for your dog to walk or run.
Obese dogs are more likely to have difficulty breathing, especially when they are active. This is because the extra weight puts pressure on their lungs and heart.
Obese dogs are more likely to develop skin problems, such as hot spots and allergies. This is because the extra weight can make it difficult for their skin to breathe.
Obese dogs are more likely to develop a number of health problems, such as diabetes, heart disease, and cancer.
Obese dogs tend to have a shorter lifespan than healthy dogs.