Explicit legal recognition of animal sentience is spreading globally, with important welfare implications for how courts and regulators treat animals and animal-related decisions.
Legal recognition of animal sentience represents a paradigm shift from treating animals as property to recognizing their inherent interest in their own welfare. When sentience is legally recognized, decision-makers must consider how policies affect animals' subjective experiences, not just their physical condition. This shifts regulatory frameworks from minimum welfare standards toward positive welfare obligations. The practical welfare implications of sentience legislation depend heavily on enforcement mechanisms, but the conceptual foundation it establishes is significant for long-term welfare progress.