Measuring salivary cortisol in wild carnivores.

Autor: Montgomery TM; Michigan State University, Department of Integrative Biology and Program in Ecology, Evolution, and Behavior, 288 Farm Lane, East Lansing, MI 48824, USA; Mara Hyena Project, Kenya; Max Planck Institute for Animal Behavior, Department for the Ecology of Animal Societies, Bücklestraße 5a, 78467 Konstanz, Germany. Electronic address: tmontgomery@ab.mpg.de., Greenberg JR; Michigan State University, Department of Integrative Biology and Program in Ecology, Evolution, and Behavior, 288 Farm Lane, East Lansing, MI 48824, USA; Mara Hyena Project, Kenya; University of Wisconsin-Madison, Department of Psychology, 1202 West Johnson Street, Madison, WI 53706, USA., Gunson JL; Mara Hyena Project, Kenya; New York University, Department of Anthropology, 25 Waverly Place, New York, NY 10003, USA., John K; Mara Hyena Project, Kenya., Laubach ZM; Michigan State University, Department of Integrative Biology and Program in Ecology, Evolution, and Behavior, 288 Farm Lane, East Lansing, MI 48824, USA; Mara Hyena Project, Kenya; University of Colorado Boulder, Department of Ecology and Evolutionary Biology, 1900 Pleasant Street, Boulder, CO 80309, USA., Nonnamaker E; Mara Hyena Project, Kenya; University of Notre Dame, Department of Biological Sciences, 175 Galvin Life Sciences Center, Notre Dame, IN 46556, USA., Person ES; Mara Hyena Project, Kenya; University of California Berkeley, Department of Integrative Biology, 3040 Valley Life Sciences Building, Berkeley, CA 94720, USA., Rogers H; Mara Hyena Project, Kenya; University of California Santa Cruz, Department of Statistical Science, 1156 High Street, Santa Cruz, CA 95064, USA., Ronis EM; Mara Hyena Project, Kenya., Smale L; Michigan State University, Department of Psychology and Program in Neuroscience, 316 Physics Road, East Lansing, MI 48824, USA., Steinfield KR; Mara Hyena Project, Kenya; University College London, Division of Biosciences, Gower Street, London WC1E 6BT, UK., Strong R; Mara Hyena Project, Kenya., Holekamp KE; Michigan State University, Department of Integrative Biology and Program in Ecology, Evolution, and Behavior, 288 Farm Lane, East Lansing, MI 48824, USA; Mara Hyena Project, Kenya., Beehner JC; University of Michigan, Department of Psychology, 530 Church Street, Ann Arbor, MI 48109, USA; University of Michigan, Department of Anthropology, 1085 South University Avenue, Ann Arbor, MI 48109, USA.
Jazyk: angličtina
Zdroj: Hormones and behavior [Horm Behav] 2022 Jan; Vol. 137, pp. 105082. Date of Electronic Publication: 2021 Nov 17.
DOI: 10.1016/j.yhbeh.2021.105082
Abstrakt: Salivary hormone analyses provide a useful alternative to fecal and urinary hormone analyses in non-invasive studies of behavioral endocrinology. Here, we use saliva to assess cortisol levels in a wild population of spotted hyenas (Crocuta crocuta), a gregarious carnivore living in complex social groups. We first describe a novel, non-invasive method of collecting saliva from juvenile hyenas and validate a salivary cortisol assay for use in this species. We then analyze over 260 saliva samples collected from nearly 70 juveniles to investigate the relationships between cortisol and temporal and social variables in these animals. We obtain some evidence of a bimodal daily rhythm with salivary cortisol concentrations dropping around dawn and dusk, times at which cub activity levels are changing substantially. We also find that dominant littermates have lower cortisol than singleton juveniles, but that cortisol does not vary with age, sex, or maternal social rank. Finally, we examine how social behaviors such as aggression or play affect salivary cortisol concentrations. We find that inflicting aggression on others was associated with lower cortisol concentrations. We hope that the detailed description of our methods provides wildlife researchers with the tools to measure salivary cortisol in other wild carnivores.
(Copyright © 2021 Elsevier Inc. All rights reserved.)
Databáze: MEDLINE
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