Philosophical: views animals as sentient beings with inherent rights. Legal Status Animals are "property" requiring protection from cruelty. Animals should not be considered "things" or property. 2. Historical Milestones
Organizations like the Nonhuman Rights Project have filed lawsuits seeking "personhood" for chimpanzees and elephants, arguing they possess the cognitive complexity to deserve basic legal protections. Governed by the Animal Welfare Act 2006 and
Providing an appropriate environment including shelter and a comfortable resting area. Tom Regan and Inherent Value
Governed by the Animal Welfare Act 2006 and the Animal Welfare (Sentience) Act 2022. Features strict enforcement and high welfare standards. or experimentation—is fundamentally unjust
This philosophy rejects the idea that animals are human property. It argues that animals possess inherent value and basic rights, most notably the right to bodily autonomy and life. From this perspective, any institutional use of animals—whether for food, clothing, or experimentation—is fundamentally unjust, regardless of how "humane" the conditions may be. The Science of Animal Sentience
Using the minimum number of animals required to obtain statistically valid data.
In his seminal 1975 book Animal Liberation , Australian philosopher Peter Singer argued against —the systematic discrimination against non-human animals based solely on their species. Singer applied a utilitarian framework, asserting that the capacity to feel pain and experience pleasure (sentience) gives an entity moral consideration. He argued that human and animal suffering must be weighed equally, concluding that most intensive animal agriculture and experimentation cannot be ethically justified because the suffering caused far outweighs the benefits produced. Tom Regan and Inherent Value