One of the strongest arguments for our uses of non-human animals is the argument of need. Most people believe that we are justified in doing what it takes to in other to survive, in fact, most people even think it is okay to kill another human in the name of self defense. This argument does not justify using animals for non necessary things, such as, cosmetic testing, but eating is a necessity, so there is nothing wrong with eating animals. The problem is that we know humans can be perfectly healthy without eating animals. So yes you need to eat, but do not need to eat animals. For his part, Peter Singer says we should think about the treatment of non-human animals in terms of an equal consideration of interests, which means that identical
