If the dog's mouth cannot be closed, mucus (or blood) flows and it is difficult to chew or swallow; The mucous membrane is red, pale or yellow; Deformity; Foreign body blockage; Smell in the mouth, etc. Most of them are signs of local oral diseases or systemic diseases.
2。 Eyes: Healthy dogs have bright eyes, clean eyes without excrement, and pink conjunctiva.
If the dog is afraid of light, tears, scratches with his front paws from time to time, enlarged gums, bleeding, conjunctival flushing or pallor, opaque cornea, impaired vision, strabismus, etc. It means that there is something wrong with its eyes or other parts of its body and it needs to consult a veterinarian immediately.
3。 Nose: healthy dogs have wet and cold noses (slightly dry when sleeping) and clean nostrils without secretions.
If the dog's nose is hot, dry (or keratinized, chapped, etc. ), dirty nostrils, clear water or purulent secretions flowing out, sneezing from time to time, etc. At this time, most of them are signs of fever or respiratory diseases.
4。 Ears: healthy dogs have symmetrical auricles, pink skin inside the ears, and clean ear canal without foreign bodies and peculiar smell.
If the dog shows signs such as violent shaking of the head, swelling of the auricle, unpleasant smell of secretions in the ear canal, hearing loss, imbalance, head tilt, sparse ear hair, and scratching the auricle from time to time, it is mostly caused by local ear diseases or parasites and foreign bodies. But it is worth noting that dogs often like to shake their heads when they wake up from sleep, which is normal.
5。 Trunk: healthy dogs have symmetrical bones and shiny coat; When touching the dog's body, the dog has no pain, and the owner will feel that the dog's muscles are strong, the abdomen feels soft, there is no feeling of flatulence, and there is no lump on the skin on the body surface ~