Quoted:
In case you don't click on that link;
"The take of feral hogs is prohibited on conservation areas and other lands owned, leased, or managed by the Conservation Department. Hunting
hogs on other lands is strongly discouraged. Instead, report feral hog
sightings to 573-522-4115, extension 3296 or
online. The Conservation Department and the U.S. Department of Agriculture
Animal and Plant Health Inspection Service, along with other partners
and hundreds of private landowners, are working to eradicate feral hogs
in Missouri.
When hunters shoot feral hogs, it complicates efforts to remove these pests. Hogs are social animals that travel in groups called sounders.
Shooting one or two hogs scatters the sounder and makes trapping efforts
aimed at catching the entire group at once more difficult, because hogs
become trap-shy and more wary of baited sites. With their high
reproductive rate, removing one or two hogs does not help to reduce
populations. Anyone who observes a feral hog or damage caused by feral
hogs should report it to the Conservation Department rather than
shooting the animal so we can work together towards eradication."