Introduction
Animals testing have significantly contributed to the advancement of scientific knowledge in general and to biomedical progress specifically. Many example showing that laboratory animals in medical development and other aspects have significantly influenced human health and reduced suffering, for example improved diagnosis of infectious disease (Hau, Jann, Schapiro & Steven, 2002). But since 1960s and 1970s, animals testing protests has gained prominence and strength, people start to argue is it moral to continue “cruel” animal testing.
Animal Testing is a Moral Act
In the rest of this article, I shall apply different concept under utilitarianism try to discuss whether animal testing are moral acts. It is important to notice that (1) in this article, applying the general idea of utilitarianism which is “the greatest happiness of greatest number” and (2) the animals testing under the rules and regulations. In this paper, under those premise I will argue that animal testing will produce such great benefits for humanity that it is morally acceptable to harm a few animals. In the following, I will structured by providing the clean definition of the key term and explain how great animal testing can contribute to humanity (great utility), in addition with the principle of replaceability to sacrifice animals is acceptable.

Utilitarianism
Utilitarianism is kind of Consequential theory, which means the moral worth of an action is determined only by the