Metabolism and thermoregulation in the Cape porcupine, Hystrix africaeaustralis

A. Haim, R. J. Van Aarde, J. D. Skinner

Research output: Contribution to journalArticlepeer-review

Abstract

Hyperthermia was observed at Ta >30°C. Tb regulation was accompanied by an increase in overall thermal conductance and respiratory frequency rate. Overall minimal thermal conductance calculated at lower critical point Ta = 24°C is higher than predicted by Bradley and Deavers. Digestible dry-matter intake and gross digestible energy intake are relatively low and correlate with low VO2 values. Low metabolic rates and high overall thermal conductance appear to be important physiological adaptations for this large, burrowing, nocturnal rodent, which has a wide ecological tolerance. -from Authors

Original languageEnglish
Pages (from-to)795-802
Number of pages8
JournalPhysiological Zoology
Volume63
Issue number4
DOIs
StatePublished - 1990
Externally publishedYes

ASJC Scopus subject areas

  • Physiology
  • Animal Science and Zoology
  • Endocrinology
  • Physiology (medical)

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