For the past 20 years, there has a been an on going heated debate on whether experiments on animals for the benefit of medical and scientific research is ethical. Whether it is or isn't, most people believe that some form of cost-benefit test should be performed to determine if the action is right. The costs include: animal pain, distress and death where the benefits include the collection of new knowledge or the development of new medical therapies for humans. Looking into these different aspects of the experimentation, there is a large gap f ....