Signs of an unhealthy dog:

1. The dog is in low spirits, has a weak body, slow movements, the tail vibrates slightly or even does not move or droops; the dog looks sad. No energy.

2. Dogs have dry noses and runny noses. This is a symptom of fever.

3. Dogs have abnormal defecation, with diarrhea and constipation. Sometimes their feces are as thin as water, and sometimes they are as hard as stones. A healthy puppy will defecate about twice a day. The color of the stool varies depending on the food. It is usually black or yellowish brown and is moderately soft and hard.

4. The dog has a loss of appetite or a rapid decrease in appetite. If the puppy eats dirty things or foreign objects that cannot be digested, the stomach function will be abnormal and the dog will refuse to eat or vomit.

Performances of a healthy dog:

1. In good spirits, lively and active.

2. Be curious and fearful of new things, and walk with a steady and energetic gait.

3. The eyes are clear and bright, and the nose is cold and wet most of the time.

4. The color of the mouth and skin is pink, and the ears are clean and odorless.

5. The hair is thick and healthy, the stool is yellow cylindrical, and the body temperature is within the normal range.