It is acceptable to experiment on animals. Although animal experimentation is cruel it benefits animals in the long run. One example of this is the discovery of vaccines by Louis Pasteur: By injecting the organism that caused chicken cholera into uninfected chickens he found that those chickens became immune to later infections. Also millions of pets and farm animals would have died from such diseases as anthrax, distemper, canine parni virus, feline leukemia, rabies, hepatitis and other diseases if it weren’t for animal research. In ad ....