What medicine can pig take off toenail cure, what symptom is this?

The toenails of pigs, that is, hoof boxes, are not only hard injuries, but also foot-and-mouth disease which is zoonotic. The only treatment is to inject antiviral drugs and prevent secondary infection. Prevention can only be injected with foot-and-mouth disease vaccine. The hoof box will grow back after the sick pig is ill, but it can be seen that the hoof box has been taken off.