" The governor said he would prefer non-lethal methods of controlling the bear population."
Negotiation is the answer.
Perhaps he (Corzine) could talk the boars into a vasectomy?
or
Perhaps the sows should consider abortions?
He could issue an executive order requiring the bears to only engage in gay/lesbian relationships for the rest of his time in office, and simply allow natural attrition to solve the problem.
Violators could be sentenced to 5 years solitary confinement in the zoo.