The globally recognized framework for animal welfare is , originally formulated in 1965 by the UK Farm Animal Welfare Advisory Board:

Millions of animals, including rodents, primates, and dogs, are used annually for biomedical research, toxicity testing, and educational purposes. While welfare laws mandate the (Replacement with non-animal alternatives, Reduction of animal numbers, and Refinement of procedures), rights groups advocate for a total ban, pushing for advanced technologies like organs-on-a-chip and computer modeling. Entertainment and Companion Animals

That question—the hedonic calculus of a short life versus a miserable one—is the central moral crisis of modern omnivorism.