International animal protection activists and veterinarians also admit that mercy killing and sterilization are ultimately the worst solutions. They are only relatively "rational" ways of dealing with problems that already exist.
國際保護動物人士與獸醫界也承認，安樂死與全面鼓勵結紮畢竟是下下策，只是針對已經發生的問題進行較為「理性」的處理方式。