1. God is better. Healthy pigs have good spirits, bright eyes and no sticky eye droppings, which makes people afraid; The sick pig is listless, his posture is not straight, his eyes are closed and he is too lazy to move.
2. Keep your voice sharp. Grasping the pig's ear, the healthy pig gave a loud scream; The sick pig has a hoarse voice.
3. Mao Yingliang. Healthy and disease-free piglets grow "watery", with bright fur and no bleeding spots on their bodies; Sick pigs have "fried" hair, which is messy and dull, and the skin often has bleeding spots or acne and sores.
4. Shut up. Generally, this kind of pigs do not feed in an arch, trough or circle, and do not spoil the feed when eating.
5. Legs should be long. The bones of such young pigs are naturally open, which is convenient for short-term fattening and large in size.
6. Shoulders should be wide. This kind of pig eats a lot and grows fast.
7. The tail is like a whip. That is, the roots are thick and thin, and they often swing; The tail of the sick pig hangs down and does not swing.