I used to hunt hogs with my old military rifle collection. I had a few oddballs, but my favorite was an 1871 Mauser in 11mm Mauser. A paper-patched 300 gr bullet over 60 gr ffg black powder. It was a blast to shoot but a bear to clean. I shot two wild pigs with it, down, dead, no question about effectiveness.
I have also used 9X57mm, 6.5-06, 33 Winchester, 32-20, and 357 Herrett on game animals.