Disclosed is a tank for livestock euthanasia for performing euthanasia of livestock suffering from communicable diseases such as bird flu or foot-and-mouth disease and the like. The tank for livestock euthanasia consists of a tank bottom plate, a front plate, a rear plate, and an upper plate.조류독감이나 구제역 등 전염성 질병에 걸린 가축에 대하여 안락사 작업을 수행하기 위한 가축 안락사용 탱크가 개시된다.