Looking at the health of the pig's spirit is good, the tail upturned and shake freely; sick pigs withered, sluggish action, like lying motionless, tail drooping.
The appetite of healthy pigs is appetizing, pigs have a sudden loss of appetite, and eating habits are abnormal and even stop eating. If a pig's appetite subsides and he likes drinking water, it is mostly a hot sex disease.
Nasal fluid health pigs do not have nasal fluids; if the pigs clear phlegm, most of them are cold and cold, the nasal fluid is thick and the lungs have a fever, and the nasal fluids have foam and suffer from pulmonary edema or chronic bronchitis and other diseases.
Feces are healthy, soft, moist and contaminated pig manure, with no special odor. If the pig’s faeces are hard and small, mostly hot sexual disease; if the pig’s faeces are thin like water or thin mud, the frequency of defecation is obviously increased or stool Incontinence, mostly enteritis or intestinal parasite infection; if the pigs discharge grayish white, grayish yellow or yellowish green watery feces with rancid odor, mostly white fleas, swine fever, swine erysipelas or porcine lung disease and other infectious diseases, often mixed with feces Mucus, pus, or blood.
Pigs that look healthy in sleeping position generally sleep on the side, and have loose muscles and even breathing; sick pigs often have their entire body attached to the ground, sleeping on their feet in fatigue, and sitting as if they were dogs if they have trouble breathing.