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Lafferty DJR, Kumar AV, Whitcher S, et al. Within-sample variation in snowshoe hare faecal glucocorticoid metabolite measurements. Conserv Physiol. 2017;5(1):cox068doi: 10.1093/conphys/cox068.
Lafferty, D. J. R., Kumar, A. V., Whitcher, S., Hackländer, K., & Mills, L. S. (2017). Within-sample variation in snowshoe hare faecal glucocorticoid metabolite measurements. Conservation physiology, 5(1), cox068. https://doi.org/10.1093/conphys/cox068
Lafferty, Diana J R, et al. "Within-sample variation in snowshoe hare faecal glucocorticoid metabolite measurements." Conservation physiology vol. 5,1 (2017): cox068. doi: https://doi.org/10.1093/conphys/cox068
Lafferty DJR, Kumar AV, Whitcher S, Hackländer K, Mills LS. Within-sample variation in snowshoe hare faecal glucocorticoid metabolite measurements. Conserv Physiol. 2017 Dec 08;5(1):cox068. doi: 10.1093/conphys/cox068. eCollection 2017. PMID: 29250332; PMCID: PMC5721371.
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Conserv Physiol. 2017 Dec 08;5(1):cox068. doi: 10.1093/conphys/cox068. eCollection 2017.

Within-sample variation in snowshoe hare faecal glucocorticoid metabolite measurements.

Conservation physiology

Diana J R Lafferty, Alexander V Kumar, Sarah Whitcher, Klaus Hackländer, L Scott Mills

Affiliations

  1. Fisheries, Wildlife, and Conservation Biology Program, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC 27695, USA.
  2. Wildlife Biology Program, University of Montana, Missoula, MT 59812, USA.
  3. Department of Biology, Northern Michigan University, Marquette, MI 49855, USA.
  4. Institute of Wildlife Biology and Game Management, University of Natural Resources and Life Sciences, Vienna (BOKU), Gregor-Mendel-Str. 33, 1180 Vienna, Austria.
  5. Office of Research and Creative Scholarship, University of Montana, Missoula, MT 59812, USA.

PMID: 29250332 PMCID: PMC5721371 DOI: 10.1093/conphys/cox068

Abstract

Faecal glucocorticoid metabolite (FGM) concentrations are used increasingly as a non-invasive measure to index physiological stress experienced by diverse taxa. However, FGM may not be evenly distributed throughout a faecal mass or faecal pellet group. Moreover, within-sample variation in FGM measurements associated with different sampling and/or processing techniques is rarely reported despite potentially having important implications for inferring stress levels in free-ranging wildlife. Using a captive collection of snowshoe hares (

Keywords: cortisol; glucocorticoids; lagomorph; non-invasive; power analysis; stress physiology

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