期刊
ANIMAL WELFARE
卷 32, 期 -, 页码 -出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/awf.2023.38
关键词
Animal welfare; bioethics; environmental ethics; gene editing; genetic modification; farming systems
Philosophers used thought experiments to study controversial cases of genetic modification. A survey of 747 US and Canadian citizens found that they were less accepting of genetically modifying chickens and animals that have no subjective experience compared to the creation of cultured meat. Some participants accepted the trade-offs imposed by the thought experiment, while others expressed discomfort and advocated for alternative approaches. The study concluded that people vary in their acceptance of interventions within existing systems, with some calling for transformational change.
Philosophers have used thought experiments to examine contentious examples of genetic modification. We hypothesised that these examples would prove useful in provoking responses from lay participants concerning technological interventions used to address welfare concerns. We asked 747 US and Canadian citizens to respond to two scenarios based on these thought experiments: genetically modifying chickens to produce blind progeny that are less likely to engage in feather-pecking (BC); and genetically modifying animals to create progeny that do not experience any subjective state (i.e. incapable of experiencing pain or fear; IA). For contrast, we assessed a third scenario that also resulted in the production of animal protein with no risk of suffering but did not involve genetically modifying animals: the development of cultured meat (CM). Participants indicated on a seven-point scale how acceptable they considered the technology (1 = very wrong to do; 7 = very right to do), and provided a text-based, open-ended explanation of their response. The creation of cultured meat was judged more acceptable than the creation of blind chickens and insentient animals. Qualitative responses indicated that some participants accepted the constraints imposed by the thought experiment, for example, by accepting perceived harms of the technology to achieve perceived benefits in reducing animal suffering. Others expressed discomfort with such trade-offs, advocating for other approaches to reducing harm. We conclude that people vary in their acceptance of interventions within existing systems, with some calling for transformational change.
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