See if the dog is lively, whether the reaction to the outside world is normal, and whether there is any abnormal expression. Healthy dogs are lively and agile, often wagging their tails to show closeness and are sensitive to external stimuli. If the dog's head is drooping like a tail, its expression is cold, it is motionless or crouched in a corner, and its response is slow, which is a sign of illness.
Second, look at the appetite.
See if the dog has an appetite, how much to eat, picky eaters or refuses to eat, and so on. Healthy dogs have a big appetite, are very excited every time they are fed, often circle around their owners, eat quickly and steadily, and are not picky. Sick dogs, on the other hand, have poor appetite, reduce appetite, like to drink cold water or clear water, and choose or refuse to eat.
Third, look at vomiting
See if the dog vomited after eating, or if he found vomit when cleaning the kennel. Observe the color, shape and contents of vomit. Healthy dogs don't vomit, only dogs with infectious diseases or gastrointestinal diseases will vomit.
Fourth, look at feces.
Mainly observe the shape, color, nature and content of dog feces. No constipation and diarrhea, no special smell in feces. The feces of healthy dogs are striped and moist, and the color depends on the food. It can be yellow, yellow-green, brown and so on. , and no special smell. If the dog's feces are thin and soft, there is blood in the feces, it stinks, or it is dry and hard, and the amount is small. These are the characteristics of the dog's illness.
Fifth, look at the posture.
See if there is any abnormality in the dog's standing, lying and waiting posture, and if there are any symptoms such as limping, stumbling or quadriplegia during exercise. Healthy dogs are naturally brisk in various postures and can obey orders. The sick dog, on the other hand, does not execute the password, and its posture is unnatural, and it has painful performance when it enforces the instruction.
Six, look at the eyes
See if there is a god in the dog's eyes, tears, turbidity in the cornea, and gum or secretions in the corner of his eyes. Healthy dogs have bright eyes, clean eyes, no gum, no tears and pink conjunctiva. If you see a dog with dull eyes, unclean eyes and red conjunctiva, it may be related to eye diseases or indigestion.
Seven, look at the nose mirror
The change of nasal endoscope is an important sign to judge whether a dog is sick or not. A healthy dog's nose is cold and wet with a little water drop. When the dog's nose is dry or there is serous, mucus or purulent secretion in the nasal cavity, it is pathological.
Eight, watch your mouth
See if there are redness, ulcers, rotten spots in the mouth, whether there is a special smell, whether it is difficult to swallow, etc. Healthy dogs have a clean, moist mouth, pink tongue, no bad breath and no salivation. If the mouth is red, swollen and salivating, accompanied by bad breath, it is sick.
Nine, look at the skin
See if the dog's fur has fallen off, the elastic strength of the skin, and whether there are rashes, blisters, scabs and ulcers on the skin. Healthy dogs have smooth and shiny coat and good skin elasticity. If the dog's fur is constantly falling off, rough and dull, the skin is dry and inelastic, or it is morbid to see defects such as dementia and ulcers.
Ten, look at the anus
See if the dog's anus is clean, inflamed, swollen and festering. The anus of healthy dogs is clean and free of foreign bodies, such as feces or redness, which are mostly related to digestive tract diseases, infectious diseases or local inflammation.