An ice-cold brine for a couple of three days pulls the adrenaline and testosterone and other nasties out of the meat.
Drain and refill every 12-24 hours until water is clear.
I brine everything from fish to wild hogs/deer. It works.
And hunters for the hungry has been around in Texas for a long long time. They do accept wild hog as well.
The hunter has to pay for processing.
I don’t participate because I am my own processor. I give in other ways.