In Texas, feral pigs are not looked upon fondly. There are millions, they breed rapidly, and they cause a lot of damage to property. The answer in Texas is to hunt them in any way possible (even in helicopters). The long term answer may lie in a balanced ecosystem, or perhaps by making it easier to sell their meat. Perennial Plate had the surreal and drawn-out experience of killing, cleaning and then cooking a boar that had been trapped.
Warning: This video contains some graphic images; it's certainly not for everyone.