Wild boar populations in North America are managed as invasive species through hunting and trapping, creating welfare considerations for animals subjected to population control as ecological management.
Wild boar population management creates a welfare tension: ecological and agricultural damage from invasive feral hogs is significant and real, yet the animals being killed are intelligent, social creatures capable of experiencing pain and distress. Control methods range from welfare-positive (well-placed single shots) to welfare-negative (poorly managed trapping, dog hunting causing prolonged stress and injury). The welfare-ethical position acknowledges legitimate management needs while insisting on the most humane available methods, training requirements for those conducting control, and prohibition of methods that cause gratuitous suffering regardless of target species status.