Serial temperature monitoring and comparison of rectal and muscle temperatures in immobilized free-ranging black rhinoceros (Diceros bicornis)

Peter Vdb Morkel, Michele Miller, Mark Jago, Robin W. Radcliffe, Pierre Du Preez, Francisco Olea-Popelka, Jennifer Sefton, Arthur Taft, Daryl Nydam, Robin D. Gleed

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Control of body temperature is critical to a successful anesthetic outcome, particularly during field immobilization of wild animals. Hyperthermia associated with exertion can lead to serious and potentially life-threatening complications such as organ damage (including myopathy) and death. Methods for monitoring core body temperature must accurately reflect the physiologic status of the animal in order for interventions to be effective. The goal of this preliminary study was to compare serial rectal and muscle temperatures in field-immobilized black rhinoceros (Diceros bicornis) and evaluate a possible association. Twenty-four free-ranging black rhinoceros were immobilized between February and March of 2010 in Ethosha National Park, Namibia. Pairwise comparisons showed a correlation of 0.73 (95% CI; -0.70-0.75) between rectal and muscle temperature measurements. Results from a multivariable model indicate that muscle temperature readings were, on average, 0.46°C (95% CI; -0.36-0.57°C) higher than rectal temperatures while adjusting for repeated measurements on the same rhinoceros, effect of duration of immobilization, and effect of ambient temperature on rhinoceroses' temperature readings. As immobilization time increased, muscle and rectal temperature values within an individual rhinoceros tended to equilibrate. The overall temperatures decreased by an average of 0.00059°C/min (95% CI; -0.0047 to -0.0035°C/min; P = 0.779). As the ambient temperature at time of immobilization increased by 1°C, the average rhinoceros temperature increased by 0.09°C (95% CI; 0.060.11°C, P < 0.0001). Higher body temperature creates a potential for cellular damage leading to complications that include myopathy. Methods for monitoring rectal, muscle, and ambient temperatures should be incorporated into anesthetic monitoring protocols for large ungulates, particularly under field conditions.

Original languageEnglish (US)
Pages (from-to)120-124
Number of pages5
JournalJournal of Zoo and Wildlife Medicine
Volume43
Issue number1
DOIs
StatePublished - Mar 1 2012

Fingerprint

Diceros bicornis
Muscles
muscles
Temperature
monitoring
Rhinoceros
temperature
Immobilization
body temperature
ambient temperature
muscular diseases
Body Temperature
anesthetics
Muscular Diseases
Rhinocerotidae
Anesthetics
Reading
Namibia
wild animals
ungulates

Keywords

  • Black rhinoceros
  • Diceros bicornis
  • muscle temperature
  • rectal temperature

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)

Cite this

Serial temperature monitoring and comparison of rectal and muscle temperatures in immobilized free-ranging black rhinoceros (Diceros bicornis). / Morkel, Peter Vdb; Miller, Michele; Jago, Mark; Radcliffe, Robin W.; Du Preez, Pierre; Olea-Popelka, Francisco; Sefton, Jennifer; Taft, Arthur; Nydam, Daryl; Gleed, Robin D.

In: Journal of Zoo and Wildlife Medicine, Vol. 43, No. 1, 01.03.2012, p. 120-124.

Research output: Contribution to journalArticle

Morkel, PV, Miller, M, Jago, M, Radcliffe, RW, Du Preez, P, Olea-Popelka, F, Sefton, J, Taft, A, Nydam, D & Gleed, RD 2012, 'Serial temperature monitoring and comparison of rectal and muscle temperatures in immobilized free-ranging black rhinoceros (Diceros bicornis)', Journal of Zoo and Wildlife Medicine, vol. 43, no. 1, pp. 120-124. https://doi.org/10.1638/2011-0009.1
Morkel, Peter Vdb ; Miller, Michele ; Jago, Mark ; Radcliffe, Robin W. ; Du Preez, Pierre ; Olea-Popelka, Francisco ; Sefton, Jennifer ; Taft, Arthur ; Nydam, Daryl ; Gleed, Robin D. / Serial temperature monitoring and comparison of rectal and muscle temperatures in immobilized free-ranging black rhinoceros (Diceros bicornis). In: Journal of Zoo and Wildlife Medicine. 2012 ; Vol. 43, No. 1. pp. 120-124.
@article{6eb6cfeaa51a421caac8e667994d96ed,
title = "Serial temperature monitoring and comparison of rectal and muscle temperatures in immobilized free-ranging black rhinoceros (Diceros bicornis)",
abstract = "Control of body temperature is critical to a successful anesthetic outcome, particularly during field immobilization of wild animals. Hyperthermia associated with exertion can lead to serious and potentially life-threatening complications such as organ damage (including myopathy) and death. Methods for monitoring core body temperature must accurately reflect the physiologic status of the animal in order for interventions to be effective. The goal of this preliminary study was to compare serial rectal and muscle temperatures in field-immobilized black rhinoceros (Diceros bicornis) and evaluate a possible association. Twenty-four free-ranging black rhinoceros were immobilized between February and March of 2010 in Ethosha National Park, Namibia. Pairwise comparisons showed a correlation of 0.73 (95{\%} CI; -0.70-0.75) between rectal and muscle temperature measurements. Results from a multivariable model indicate that muscle temperature readings were, on average, 0.46°C (95{\%} CI; -0.36-0.57°C) higher than rectal temperatures while adjusting for repeated measurements on the same rhinoceros, effect of duration of immobilization, and effect of ambient temperature on rhinoceroses' temperature readings. As immobilization time increased, muscle and rectal temperature values within an individual rhinoceros tended to equilibrate. The overall temperatures decreased by an average of 0.00059°C/min (95{\%} CI; -0.0047 to -0.0035°C/min; P = 0.779). As the ambient temperature at time of immobilization increased by 1°C, the average rhinoceros temperature increased by 0.09°C (95{\%} CI; 0.060.11°C, P < 0.0001). Higher body temperature creates a potential for cellular damage leading to complications that include myopathy. Methods for monitoring rectal, muscle, and ambient temperatures should be incorporated into anesthetic monitoring protocols for large ungulates, particularly under field conditions.",
keywords = "Black rhinoceros, Diceros bicornis, muscle temperature, rectal temperature",
author = "Morkel, {Peter Vdb} and Michele Miller and Mark Jago and Radcliffe, {Robin W.} and {Du Preez}, Pierre and Francisco Olea-Popelka and Jennifer Sefton and Arthur Taft and Daryl Nydam and Gleed, {Robin D.}",
year = "2012",
month = "3",
day = "1",
doi = "10.1638/2011-0009.1",
language = "English (US)",
volume = "43",
pages = "120--124",
journal = "Journal of Zoo and Wildlife Medicine",
issn = "1042-7260",
publisher = "American Association of Zoo Veterinarians",
number = "1",

}

TY - JOUR

T1 - Serial temperature monitoring and comparison of rectal and muscle temperatures in immobilized free-ranging black rhinoceros (Diceros bicornis)

AU - Morkel, Peter Vdb

AU - Miller, Michele

AU - Jago, Mark

AU - Radcliffe, Robin W.

AU - Du Preez, Pierre

AU - Olea-Popelka, Francisco

AU - Sefton, Jennifer

AU - Taft, Arthur

AU - Nydam, Daryl

AU - Gleed, Robin D.

PY - 2012/3/1

Y1 - 2012/3/1

N2 - Control of body temperature is critical to a successful anesthetic outcome, particularly during field immobilization of wild animals. Hyperthermia associated with exertion can lead to serious and potentially life-threatening complications such as organ damage (including myopathy) and death. Methods for monitoring core body temperature must accurately reflect the physiologic status of the animal in order for interventions to be effective. The goal of this preliminary study was to compare serial rectal and muscle temperatures in field-immobilized black rhinoceros (Diceros bicornis) and evaluate a possible association. Twenty-four free-ranging black rhinoceros were immobilized between February and March of 2010 in Ethosha National Park, Namibia. Pairwise comparisons showed a correlation of 0.73 (95% CI; -0.70-0.75) between rectal and muscle temperature measurements. Results from a multivariable model indicate that muscle temperature readings were, on average, 0.46°C (95% CI; -0.36-0.57°C) higher than rectal temperatures while adjusting for repeated measurements on the same rhinoceros, effect of duration of immobilization, and effect of ambient temperature on rhinoceroses' temperature readings. As immobilization time increased, muscle and rectal temperature values within an individual rhinoceros tended to equilibrate. The overall temperatures decreased by an average of 0.00059°C/min (95% CI; -0.0047 to -0.0035°C/min; P = 0.779). As the ambient temperature at time of immobilization increased by 1°C, the average rhinoceros temperature increased by 0.09°C (95% CI; 0.060.11°C, P < 0.0001). Higher body temperature creates a potential for cellular damage leading to complications that include myopathy. Methods for monitoring rectal, muscle, and ambient temperatures should be incorporated into anesthetic monitoring protocols for large ungulates, particularly under field conditions.

AB - Control of body temperature is critical to a successful anesthetic outcome, particularly during field immobilization of wild animals. Hyperthermia associated with exertion can lead to serious and potentially life-threatening complications such as organ damage (including myopathy) and death. Methods for monitoring core body temperature must accurately reflect the physiologic status of the animal in order for interventions to be effective. The goal of this preliminary study was to compare serial rectal and muscle temperatures in field-immobilized black rhinoceros (Diceros bicornis) and evaluate a possible association. Twenty-four free-ranging black rhinoceros were immobilized between February and March of 2010 in Ethosha National Park, Namibia. Pairwise comparisons showed a correlation of 0.73 (95% CI; -0.70-0.75) between rectal and muscle temperature measurements. Results from a multivariable model indicate that muscle temperature readings were, on average, 0.46°C (95% CI; -0.36-0.57°C) higher than rectal temperatures while adjusting for repeated measurements on the same rhinoceros, effect of duration of immobilization, and effect of ambient temperature on rhinoceroses' temperature readings. As immobilization time increased, muscle and rectal temperature values within an individual rhinoceros tended to equilibrate. The overall temperatures decreased by an average of 0.00059°C/min (95% CI; -0.0047 to -0.0035°C/min; P = 0.779). As the ambient temperature at time of immobilization increased by 1°C, the average rhinoceros temperature increased by 0.09°C (95% CI; 0.060.11°C, P < 0.0001). Higher body temperature creates a potential for cellular damage leading to complications that include myopathy. Methods for monitoring rectal, muscle, and ambient temperatures should be incorporated into anesthetic monitoring protocols for large ungulates, particularly under field conditions.

KW - Black rhinoceros

KW - Diceros bicornis

KW - muscle temperature

KW - rectal temperature

UR - http://www.scopus.com/inward/record.url?scp=84863402839&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84863402839&partnerID=8YFLogxK

U2 - 10.1638/2011-0009.1

DO - 10.1638/2011-0009.1

M3 - Article

C2 - 22448518

AN - SCOPUS:84863402839

VL - 43

SP - 120

EP - 124

JO - Journal of Zoo and Wildlife Medicine

JF - Journal of Zoo and Wildlife Medicine

SN - 1042-7260

IS - 1

ER -