The puppy has a small, in the early stage: the puppy will have no energy, no appetite to eat. Then suddenly vomiting and diarrhea, body temperature as high as 39.5~41 degrees Celsius, watery secretions from eyes and nose, sneezing, diarrhea, and more and more defecation.

In the middle stage of small and medium; the puppy will also have jelly-like mucus and bloody stools, which are pink to brown-red, and the stools are thinner and more foul-smelling than before; It is light red and likes to lie on the ground.

The puppy is in the later stage of small: Sunken eyeballs, rough back hair, dry nose with a white covering on the nose; cold limbs, weakness, lethargy; weakened gastrointestinal peristalsis, rapid heart rate, rapid breathing, and exhaled odor with a sour odor.

If you find that the puppy suddenly becomes sleepy, even bleeding, shaking and other symptoms. Then we need to take our puppy to the veterinary hospital for treatment. Secondly, when the puppy has small symptoms, the owner should not be too anxious, and it can be treated in time. Because in the early stages, mild symptoms are less severe and easier to treat. At the veterinary hospital, try not to let puppies run around or even come into contact with dogs that carry parvovirus. Usually, don't let the puppy come into contact with unfamiliar dogs when you go out for a walk, and don't eat chicken and duck bones left on the roadside, because the potential danger will also cause the puppy to have an accident.