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

doi:10.1006/gcen.2001.7682

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

Cell Systems & Anatomy

Research output: Contribution to journal › Article › peer-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 language	English (US)
Pages (from-to)	337-344
Number of pages	8
Journal	General and Comparative Endocrinology
Volume	123
Issue number	3
DOIs	https://doi.org/10.1006/gcen.2001.7682
State	Published - 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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10.1006/gcen.2001.7682

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

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.",

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