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Abstract：
Trap-Neuter-Return (TNR) programs, in which stray cats are captured, neutered and returned to the environment are advocated as a humane, ethical alternative to euthanasia. We review the TNR literature in light of current debate over whether or not there should be further TNR trials in Australia. We revisit the problems arising from stray cats living in association with human habitation and estimate how many stray cats would have to be processed through a scientifically-guided TNR program to avoid high euthanasia rates. We also identify 10 ethical and welfare challenges that have to be addressed: we consider the quality of life for stray cats, where they would live, whether the TNR process itself is stressful, whether TNR cats are vulnerable to injury, parasites and disease, can be medically treated, stray cats\' body condition and diet, and their impacts on people, pet cats, and urban wildlife, especially endemic fauna. We conclude that TNR is unsuitable for Australia in almost all situations because it is unlikely to resolve problems caused by stray cats or meet ethical and welfare challenges. Targeted adoption, early-age desexing, community education initiatives and responsible pet ownership have greater promise to minimize euthanasia, reduce numbers rapidly, and address the identified issues.
摘要：
陷阱-中子-返回(TNR)程序，在其中捕获流浪猫，绝育和重返环境被提倡为人道，安乐死的伦理选择。我们根据目前关于澳大利亚是否应该进一步进行TNR试验的辩论，回顾了TNR文献。我们重新审视了与人类居住相关的流浪猫所产生的问题，并通过科学指导的TNR计划来估计有多少只流浪猫必须进行处理，以避免安乐死率高。我们还确定了必须解决的10个道德和福利挑战：我们考虑流浪猫的生活质量，他们会住在哪里，TNR过程本身是否有压力，TNR猫是否容易受伤，寄生虫和疾病，可以进行医学治疗，流浪猫的身体状况和饮食，以及它们对人们的影响，宠物猫,城市野生动物，尤其是地方性动物.我们得出的结论是，在几乎所有情况下，TNR都不适合澳大利亚，因为它不太可能解决流浪猫造成的问题或遇到道德和福利挑战。有针对性的采用，早期脱敏，社区教育倡议和负责任的宠物饲养有更大的希望，以尽量减少安乐死，迅速减少数量，并解决已确定的问题。
