BA LLB Banaras Hindu University 2018 Solved Paper

Regan points to the similarities between a human and an animal life. In particular, animals, like us, are 'subjects-of-a-life' and possess inherent, not merely instrumental, value or worth.
This, he argues, leads to a recognition of their absolute right to live their lives with respect and autonomy. No amount of human benefit (from, e.g., vivisection) justifies the violation of this absolute right.