Psychological well‐being in paired adult female rhesus (Macaca mulatta)

G. Gray Eaton, Stephen T. Kelley, Michael Axthelm, Susan A. Iliff‐Sizemore, Stanley M. Shiigi

    Research output: Contribution to journalArticle

    53 Citations (Scopus)

    Abstract

    We assessed the effects of social living (pairing) on improving the psychological well‐being of adult female rhesus macaques (Mucuca mulutta) housed under laboratory conditions. We measured well‐being in 12 pairs and 12 singly housed females through multiple indices of health (hematology, clinical morbidity, and body weight), stress (immune responses), behavior (preferences for social proximity, exhibition of species typical affliative behavior, and rates of abnormal behavior), and reproduction (frequency of ovulation, rates of conception, and infant survival). We selected adult females that had been living in single‐unit cages and paired them in larger cages. Care was taken to allow females to become familiar with one another before pairing took place, and pairs that fought were separated before serious injuries occurred. Singly‐housed control females were also paired for 1 week and then separated to balance the stressful effects expected to occur during the initial pairing and to assure that they were equivalent to the experimental animals in their ability to live socially. We concluded that pairing adult female rhesus monkeys was a positive experience for both the dominant and subordinate members of the pairs. They chose to spend the majority of their time involved in amicable social interactions, were more active, and they indulged in less nail biting than singly‐housed controls. There were no differences in reproduction, rates of clinical morbidity, or immune stress responses among the groups. However, pairing alone may not be sufficient to assure the well‐being of laboratory‐housed rhesus macaques, because rates of abnormal behaviors such as stereotyped movements remained high. © 1994 Wiley‐Liss, Inc.

    Original languageEnglish (US)
    Pages (from-to)89-99
    Number of pages11
    JournalAmerican Journal of Primatology
    Volume33
    Issue number2
    DOIs
    StatePublished - 1994

    Fingerprint

    Macaca mulatta
    abnormal behavior
    morbidity
    cages
    preference behavior
    hematology
    conception rate
    immune response
    laboratory animals
    ovulation
    stress response
    body weight
    rate
    animal

    Keywords

    • abnormal behavior
    • females
    • Macaca mulatta
    • reproduction
    • social behavior
    • well‐being

    ASJC Scopus subject areas

    • Ecology, Evolution, Behavior and Systematics
    • Animal Science and Zoology

    Cite this

    Psychological well‐being in paired adult female rhesus (Macaca mulatta). / Eaton, G. Gray; Kelley, Stephen T.; Axthelm, Michael; Iliff‐Sizemore, Susan A.; Shiigi, Stanley M.

    In: American Journal of Primatology, Vol. 33, No. 2, 1994, p. 89-99.

    Research output: Contribution to journalArticle

    Eaton, G. Gray ; Kelley, Stephen T. ; Axthelm, Michael ; Iliff‐Sizemore, Susan A. ; Shiigi, Stanley M. / Psychological well‐being in paired adult female rhesus (Macaca mulatta). In: American Journal of Primatology. 1994 ; Vol. 33, No. 2. pp. 89-99.
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