A project to study the feasibility of eradicating feral pigs (Sus scrofa) from a 2000-ha state park was initiated by the California Department of Parks and Recreation through a cooperative agreement established in 1985 with the University of California. Trapping and hunting with trained dogs were used to remove pigs. A fence to preclude future immigration was constructed. Transect surveys of pig sign have been conducted annually to monitor success of the project. As of January 1988 no sign of pigs has been observed. Costs to date include $90,000 for 11 km of fence and $75,000 for pig removal.
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