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Pulmonary gas exchange and acid-base status during immobilisation of black rhinoceroses (Diceros bicornis) in Zimbabwe

Fahlman, Åsa and Edner, Anna and Wenger, Sandra and Foggin, Chris and Nyman, Görel (2016). Pulmonary gas exchange and acid-base status during immobilisation of black rhinoceroses (Diceros bicornis) in Zimbabwe. Journal of the South African Veterinary Association / Tydkrif van die Suid-Afrikaanse Veterinere. 87 , a1328
[Research article]

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Abstract

When immobilising wildlife, adverse side effects can include hypoxaemia, acidosis and hypertension. Pulmonary gas exchange and acid-base status were evaluated during immobilisation of 25 free-ranging and one boma-held black rhinoceros (Diceros bicornis) in Zimbabwe. The effect of different body positions on arterial oxygenation was evaluated. A combination of the following drugs was used: an opioid (etorphine or thiafentanil), azaperone and an alpha(2)-adrenoceptor agonist (detomidine or xylazine). Respiratory and heart rates, rectal temperature and pulse oximetry-derived haemoglobin oxygen saturation were recorded. Serial arterial blood samples were analysed immediately in the field. Marked hypoxaemia and hypercapnia were recorded in immobilised free-ranging black rhinoceroses. Arterial oxygenation was higher during sternal compared to lateral recumbency. Most rhinoceroses developed acidaemia of respiratory and metabolic origin. Initially high lactate concentrations in free-ranging rhinoceroses decreased during immobilisation. Pulse oximetry was unreliable in the detection of hypoxaemia. Positioning in sternal recumbency and routine use of oxygen supplementation are recommended in the management of immobilised rhinoceroses as measures to improve arterial oxygenation.

Authors/Creators:Fahlman, Åsa and Edner, Anna and Wenger, Sandra and Foggin, Chris and Nyman, Görel
Title:Pulmonary gas exchange and acid-base status during immobilisation of black rhinoceroses (Diceros bicornis) in Zimbabwe
Series Name/Journal:Journal of the South African Veterinary Association / Tydkrif van die Suid-Afrikaanse Veterinere
Year of publishing :2016
Volume:87
Article number:a1328
Number of Pages:9
Publisher:AOSIS
ISSN:1019-9128
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 405 Other Agricultural Sciences > Fish and Wildlife Management
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 403 Veterinary Science > Clinical Science
URN:NBN:urn:nbn:se:slu:epsilon-p-82630
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-82630
Additional ID:
Type of IDID
DOI10.4102/jsava.v87i1.1328
Web of Science (WoS)000392383700001
ID Code:24806
Faculty:VH - Faculty of Veterinary Medicine and Animal Science
Department:(VH) > Dept. of Clinical Sciences
Deposited By: SLUpub Connector
Deposited On:06 Jul 2021 07:26
Metadata Last Modified:06 Jul 2021 07:31

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