Animal rights the interests of the worse off more important than those of the better off. Another approach, virtue ethics, holds that in considering how to act we should consider the character of the actor, and what kind of moral agents we should be. Rosalind Hursthouse has suggested an approach to animal rights based on virtue ethics. Mark Rowlands has proposed a contractarian approach. Nussbaum (2004) writes that utilitarianism, starting with Jeremy Bentham and John Stuart Mill, has contributed more to the recognition of the moral status of animals than any other ethical theory. The utilitarian philosopher most associated with animal rights
Jeremy Bentham experiments on animals, providing that the experiments had in mind a particular goal of benefit to humanity, and had a reasonable chance of achieving that goal. He wrote that otherwise he had a "decided and insuperable objection" to causing pain to animals, in part because of the harmful effects such practices might have on human beings. In a letter to the editor of the "Morning Chronicle" in March 1825, he wrote: Bentham said that it was the placing of women in a legally inferior position that made him choose, at the age of eleven, the career of a reformist. Bentham