Dry bedding provides cost-effective enrichment for group-housed rhesus macaques (macaca mulatta)

Cynthia J. Doane, Kirk Andrews, Laura Jane Schaefer, Nathan Morelli, Shannon McAllister, Kristine Coleman

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    Dry bedding has been shown to be an effective enrichment strategy for small groups of captive nonhuman primates housed in cages or in small enclosures with concrete flooring. However, dry bedding is used infrequently for large groups because of the perception that its use is time- and resource-intensive. We investigated the cost-effectiveness of this enrichment strategy in large groups (30 to 50 subjects) of rhesus macaques. Macaques were housed under 3 comparison conditions for 4 wk: pine shavings (n = 4), aspen and pine shaving mixture (n = 4), and nonbedded control (n = 4). As measures of resource consumption, husbandry tasks were documented by using time-in-motion methodology, and water usage was determined. In addition, groups underwent behavioral observations to assess the effect of dry bedding. The time required to care for units did not differ between bedded and nonbedded units. However, significantly less water was used for sanitization of bedded compared with nonbedded units. Monkeys housed in bedded units showed more foraging (13.8% ± 1.6% of time in bedded compared with 4.0% ± 0.3% of time in nonbedded units) and less aggression and self-grooming. Dry bedding benefited the macaques, reduced water usage and costs, and did not affect human resources.

    Original languageEnglish (US)
    Pages (from-to)247-252
    Number of pages6
    JournalJournal of the American Association for Laboratory Animal Science
    Volume52
    Issue number3
    StatePublished - May 2013

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    water utilization
    Macaca mulatta
    Macaca
    Pinus
    cost effectiveness
    human resources
    monkeys
    aggression
    cages
    Primates
    foraging
    water
    methodology

    ASJC Scopus subject areas

    • Animal Science and Zoology

    Cite this

    Dry bedding provides cost-effective enrichment for group-housed rhesus macaques (macaca mulatta). / Doane, Cynthia J.; Andrews, Kirk; Schaefer, Laura Jane; Morelli, Nathan; McAllister, Shannon; Coleman, Kristine.

    In: Journal of the American Association for Laboratory Animal Science, Vol. 52, No. 3, 05.2013, p. 247-252.

    Research output: Contribution to journalArticle

    Doane, Cynthia J. ; Andrews, Kirk ; Schaefer, Laura Jane ; Morelli, Nathan ; McAllister, Shannon ; Coleman, Kristine. / Dry bedding provides cost-effective enrichment for group-housed rhesus macaques (macaca mulatta). In: Journal of the American Association for Laboratory Animal Science. 2013 ; Vol. 52, No. 3. pp. 247-252.
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