American Psychological Association, Washington DC . Unless the contrary is established, investigators should consider that procedures that cause pain or distress in human beings may cause pain or distress in other animals. 1996 U.S. Government Principles for the Utilization and Care of Vertebrate Animals Used in Testing, Research, and Training. In Guide for the Care and Use of Laboratory Animals . National Research Council 117-118.
Monkeys are socially complex creatures.
When this aspect of their nature is accommodated in research settings, the benefit to science is a less stressed animal that provides meaningful scientific data. Novak MA, Bayne K Monkey behavior and laboratory issues. When we act uncaringly toward experimental animals we become uncaring human beings. When we act uncaringly towards experimental animals, we damage ourselves. When we hurt experimental animals, we hurt ourselves.