Animal Testing
An estimated 2,000,000 animals are used in research in the U.S. each year.
11 Facts about Animal Testing
It's impossible to know exactly how many animals are being used in research because U.S. laws do not require scientists to report how many mice, rats, or birds they use.... More
Background on Animal Testing
Most animals are used in only one experiment, and afterwards most are euthanized, or put to death. All ages of animals are used, so some are euthanized soon after they are born.... More
