野良猫やノネコの頭数をコントロールする方法としてTrap and Killがあります。Trap and Killは猫を捕獲して安楽死させることで頭数を制御しようとするもので、人道的とは言えません。保健所などに預けられた犬や猫は引き取り手がいない場合に安楽死されますが、それがTrap and Killになります。
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