Alasdair Cochrane introduces an entirely new theory of animal rights grounded in their interests as sentient beings. He then applies this theory to different and underexplored policy areas, such as genetic engineering, pet-keeping, indigenous hunting, and religious slaughter. In contrast to other proponents of animal rights, Cochrane claims that because most sentient animals are not autonomous agents, they have no intrinsic interest in liberty. As such, he argues that our obligations to animals lie in ending practices that cause their suffering and death and do not require the liberation of animals. Cochrane’s “interest-based rights approach” weighs the interests of animals to determine which is sufficient to impose strict duties on humans....