Look at the spirit to 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 to see if the dog has an appetite, how much food he eats, whether he is picky about food or refuses to eat. Healthy dogs have a big appetite, are very excited every time they are fed, often circle around their owners, eat quickly, eat steadily and are not picky about food. 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, see if the dog vomits after eating, or if it finds 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, 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 to see if there is any abnormality in the posture of the dog standing, lying down and waiting, and whether there are symptoms such as limping, stumbling and quadriplegia during exercise. Healthy dogs are naturally brisk in various postures and can obey orders. Sick dogs, on the other hand, don't execute the password, and their posture is unnatural, and they have painful performance when they are forced to execute the command.
Sixth, look at the eyes to see if there is a god in the dog's eyes, whether there is tears, whether the cornea is turbid, and whether there is gum or secretions in the corner of the eye. 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.
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 look at the mouth to see if there are redness, ulcers and rotten spots in the mouth, whether there is a special smell, and whether it is difficult to swallow. Healthy dogs have a clean and moist mouth, pink, bright red 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 anus to see if the dog's anus is clean, whether there is inflammation, redness and ulcers. 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.
Look at the skin to see if the dog's fur has fallen off, the elasticity of the skin is strong, and there are no 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.