Second, look at the amount of food: see if the dog has an appetite, how much to eat, whether it is picky about food or refuses to eat. Healthy dogs have a big appetite and are excited every time they are fed. They often circle around their owners, eat quickly and have a stable appetite. 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 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, look at feces: mainly observe the shape, color, nature and contents 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.
5. Look at posture: Look at whether the posture of the dog is abnormal when standing, lying down and waiting, and whether there are symptoms such as limping, gait stumbling or limb paralysis 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.
Sixth, look at the eyes: see if the dog's eyes have gods, whether there are tears, whether the cornea is turbid, and whether there are eyelids or secretions in the corners of the 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 the nose mirror is an important sign to judge whether the dog is sick. 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: look at the mouth for redness, ulcers, rotten spots, whether there is a special smell, whether it is difficult to swallow. Healthy dogs have clean and moist mouth, pink and 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: 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.
X. Look at the skin: Look at whether the dog's fur has fallen off, whether the skin is elastic, and whether the skin has rashes, blisters, scabs and ulcers. 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.
I hope this answer is helpful to you.