When you gain a pound of fat, your body makes seven new miles of blood vessels. This means your body must work harder to pump blood through all of these extra new vessels, which may put a strain on your heart, and may reduce oxygenation and nutrient replenishment in other tissues.
Panting is a sign that your dog is excited, hot, or both. But panting is also a warning sign. If your dog is taking a break from exercise and continues to pant heavily, this could be a sign of heatstroke â a medical emergency. Move your dog to a cool spot or indoors immediately.
Panting in Dogs After Giving Birth and Surgery. Giving birth and surgeries are stressful events in dogs just as they are in humans. There being stress and anxiety in the animal means that more adrenaline is released to the body. As a result, there is arise in blood sugar and blood pressure.