Accuracy: Finally, the biggest reason for animal testing is because it works better than any other alternative. Why animal testing can yield results different than human testing, the similarities between animals and humans is staggering and thus helpful to mankind.
-Animals themselves benefit from the results of animal testing. If vaccines were not tested on animals, millions of animals would have died from rabies, distemper, feline leukemia.
-Can improve human health many developments in human health exist in some way due to animal testing. Animal testing has helped humanity develop vaccines, diagnostics and other medical developments that may otherwise not exist. Many people believe that human life is of more value than animal life, and that it is acceptable to sacrifice animals in order to maintain the human race.