1. It may be that the dog has just finished exercising and is deprived of oxygen and needs to breathe through its mouth.

2. It may be a respiratory disease that causes the dog to breathe all the time.

3. In the absence of disease, this is a normal phenomenon. The dog’s skin does not dissipate heat and can only dissipate heat through its mouth and limbs.

4. Fever, the dog keeps breathing due to elevated body temperature.

5. Causes of disease: Problems with the dog’s mouth or throat or cardiopulmonary system diseases can also manifest as continuous breathing. If your dog has huffing behavior for a long time or continues, accompanied by other symptoms such as elevated body temperature, loss of appetite, coughing, difficulty breathing, etc., you should go to the veterinary clinic for examination in time to determine whether there is a disease problem.

6. Emotional reasons: Dogs will also have continuous breathing behavior when they feel anxious, scared or nervous. For emotional breathing, you need to pay attention to the dog's environment and daily raising methods to minimize their uneasiness and tension.

The reasons why dogs breathe very smelly:

1. If the owner does not insist on brushing the dog’s teeth for a long time, plaque and calculus will accumulate. situation, causing bad breath.

2. Severe bad breath in dogs may be caused by a lack of vitamin B6 in the body, leading to oral ulcers and an increase in bacteria.

3. The dog has improper diet, poor digestion, and has not eaten bones to polish its teeth for a long time.