This subproject is one of many research subprojects utilizing theresources provided by a Center grant funded by NIH/NCRR. The subproject andinvestigator (PI) may have received primary funding from another NIH source,and thus could be represented in other CRISP entries. The institution listed isfor the Center, which is not necessarily the institution for the investigator.Maintaining caged monkeys in pairs or small groups is an important part of the behavioral management plan of the Oregon National Primate Research Center. However, forming pairs is time consuming, and the monkeys are not always compatible. Finding factors that may predict whether a pair is compatible would aid greatly to the process of forming pairs. Further, while pair housing is typically thought to be less stressful than living alone in a cage, some monkeys in biomedical research facilities do not appear to be compatible with others, and may do better in single cages with alternate forms of enrichment. The goal of this study was to investigate whether temperament has any effect on pairing success. We also tested the hypothesis that for some monkeys, being individually caged may not be any more stressful than living in a pair.
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