2, if you want to cure it, you have to use the method of soil, but it doesn't work every time. Wet a pile of yellow mud with water and let the sick pigs roll in it. It likes it very much. It's too sick to move in it. It has to shovel some yellow mud water with a shovel to keep the pig dry. You can see the effect in a day.
When it is in good spirits, you don't have to pay attention to it. Let it go. If nothing happens, it will be fine in two or three days. After peeling is a long process, and it stinks. Clean up the fallen skin in an emergency to avoid other diseases caused by pig chewing.