Energy balance but not competitive environment corresponds with allostatic load during development in an Old World monkey

Nicole A. Thompson, James Higham, Michael Heistermann, Erin Vogel, Marina Cords

    Research output: Contribution to journalArticle

    Abstract

    Primates develop slowly relative to their body size, a pattern posited to result from ecological risk aversion. Little is known, however, about how energy balance contributes to allostatic load in juveniles. Using data collected over 8 consecutive months, we examined variation in energy balance (as measured by urinary C-peptide) and how energy balance, life history status, and social competition related to allostatic load (as measured by deviation from baseline fecal glucocorticoid metabolites, dfGCs) in 41 wild juvenile blue monkeys from 3 social groups. Juvenile energy balance was higher among females, when ripe fruit was more available, and when rainfall was lower. Energy balance, but not life history or competitive environments, predicted dfGC concentrations, such that juveniles generally had lower mean dfGCs when they had higher energy balance. An additional exploratory analysis of how dfGCs relate to social strategies revealed that subjects had lower dfGCs when they groomed less, and played more. Time spent grooming interacted with energy balance in predicting dfGC concentrations, so that individuals that groomed more actually had higher dfGCs when they had higher energy balance. Together these results reveal that energetic deficiencies are a true ecological risk factor in blue monkeys, and suggest that navigating the social environment via overt affiliative behavior is potentially both a stress-relieving and stress-inducing endeavor during development.

    Original languageEnglish (US)
    Pages (from-to)30-41
    Number of pages12
    JournalHormones and Behavior
    Volume108
    DOIs
    StatePublished - Feb 1 2019

    Fingerprint

    Allostasis
    Cercopithecidae
    Haplorhini
    Grooming
    Social Environment
    C-Peptide
    Body Size
    Primates
    Glucocorticoids
    Fruit

    ASJC Scopus subject areas

    • Endocrinology
    • Endocrine and Autonomic Systems
    • Behavioral Neuroscience

    Cite this

    Energy balance but not competitive environment corresponds with allostatic load during development in an Old World monkey. / Thompson, Nicole A.; Higham, James; Heistermann, Michael; Vogel, Erin; Cords, Marina.

    In: Hormones and Behavior, Vol. 108, 01.02.2019, p. 30-41.

    Research output: Contribution to journalArticle

    Thompson, Nicole A. ; Higham, James ; Heistermann, Michael ; Vogel, Erin ; Cords, Marina. / Energy balance but not competitive environment corresponds with allostatic load during development in an Old World monkey. In: Hormones and Behavior. 2019 ; Vol. 108. pp. 30-41.
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