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Article

Can offsetting the energetic cost of hibernation restore an active season phenotype in grizzly bears (Ursus arctos horribilis)?

The Journal of experimental biology - 15 Jun 2021

Jansen Heiko T, Evans Hutzenbiler Brandon, Hapner Hannah R, McPhee Madeline L, Carnahan Anthony M, Kelley Joanna L, Saxton Michael W, Robbins Charles T

Abstract excerpt

Hibernation is characterized by depression of many physiological processes. To determine if this state is reversible in a non-food caching species, we fed hibernating grizzly bears (Ursus arctos horribilis) dextrose for 10 days to replace 53% or 100% of the estimated minimum daily energetic cost of hibernation. Feeding caused serum concentrations of glycerol and ketones (β-hydroxybutyrate) to return to active...

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PMID: 34137891
DOI: 10.1242/jeb.242560

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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