When people test the effects of unknown drugs, medications and personal products on animals. These tests will allow scientist to see if the product will or will not kill and/or harm the animal. Scientist use animals to test new products so that they can see if they will be harmful to humans. 

When the animals get tested first they lose there fur then they start to suffer from the cold and pain then they die. this happens at a breading facility. they use the animals to fined out if medicaine is safe or not.