We now know that animals—ranging from mammals to octopuses—are . This means they have the capacity to feel pain, joy, fear, and social connection. Studies have shown that pigs can solve puzzles, crows use tools, and cows form deep friendships. This scientific "Sentience Revolution" has made it increasingly difficult to justify archaic practices that ignore animal psychology. Legislation and Policy
At its core, is a scientific and pragmatic standard. It concerns the quality of life of an animal as it lives under human control. The central question of animal welfare is not whether humans should use animals, but how we should use them. We now know that animals—ranging from mammals to
The modern welfare concept is often defined by the , developed by the UK's Farm Animal Welfare Council in 1965: The central question of animal welfare is not
Rights are abolitionist. The goal is not bigger cages; it is empty cages. it is empty cages.
The philosopher Peter Singer is often credited with popularizing the concept of animal rights in his 1975 book, "Animal Liberation." Singer argued that the capacity for suffering is a vital criterion for moral consideration and that animals, like humans, have an interest in avoiding pain and living fulfilling lives.