Effect of capture and season on fecal glucocorticoid levels in deer mice (Peromyscus maniculatus) and red-backed voles (Clethrionomys gapperi)

James M. Harper, Steven N. Austad

Research output: Contribution to journalArticlepeer-review

75 Scopus citations

Abstract

The effect of confinement and season on fecal glucocorticoid (GC) levels in deer mice (Peromyscus maniculatus) and red-backed voles (Clethrionomys gapperi) was determined. Deer mice confined in a Sherman trap more than 4 h had fecal GC levels that were significantly higher than those in individuals that remained in a trap 4 h or less. However, this treatment may not be stressful for red-backed voles as neither plasma nor fecal GC levels were significantly elevated after 12 h of confinement. In addition, a clear temporal pattern in the secretion of fecal GCs was observed between mid June and early November in both species.

Original languageEnglish (US)
Pages (from-to)337-344
Number of pages8
JournalGeneral and Comparative Endocrinology
Volume123
Issue number3
DOIs
StatePublished - Jan 1 2001

Keywords

  • Clethrionomys gapperi
  • Fecal GCs
  • Peromyscus maniculatus
  • Seasonality
  • Trap stress

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Endocrinology

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