japanese monkey enjoy hotspring

Description: They are used primarily because of their relative ease of handling, their fast reproductive cycle (compared to apes), and their psychological and physical similarity to humans. In the United States, around 50,000 non-human primates, most of them monkeys, have been used in experiments every year since 1973;10,000 monkeys were used in the European... ( +expand to view full text )

Description: They are used primarily because of their relative ease of handling, their fast reproductive cycle (compared to apes), and their psychological and physical similarity to humans. In the United States, around 50,000 non-human primates, most of them monkeys, have been used in experiments every year since 1973;10,000 monkeys were used in the European Union in 2004.