Animal rights theory argues that sentient animals have inherent moral worth and rights that cannot be overridden by human interests, providing a philosophical framework for strong welfare protections.
Animal rights theory provides philosophical foundations for welfare protections that go beyond welfare utilitarianism. While utilitarian approaches (like Singer's) weigh animal interests against human interests and allow trade-offs when benefits are sufficient, rights approaches hold that certain treatment of animals is simply wrong regardless of consequences. The practical difference emerges in cases where animal harm produces large human benefits — rights theorists would prohibit this while utilitarians might permit it. Both approaches share much common ground in condemning routine farming practices, animal testing and wildlife destruction. Understanding different theoretical frameworks helps advocates engage more effectively with people who hold different moral starting points.