Cooling by dousing with cold water does not alter the pathophysiological biochemical changes induced by capture in blesbok (Damaliscus pygargus phillipsi)

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dc.contributor.author Leiberich, Marion
dc.contributor.author Fitte, Agustina
dc.contributor.author Burroughs, Richard E.J.
dc.contributor.author Steyl, Johan Christian Abraham
dc.contributor.author Goddard, Amelia
dc.contributor.author Haw, Anna Jean
dc.contributor.author Boesch, Jordyn M.
dc.contributor.author Kohn, Tertius Abraham
dc.contributor.author Meyer, Leith Carl Rodney
dc.date.accessioned 2024-05-08T11:28:15Z
dc.date.issued 2023
dc.description.abstract Wild animals are commonly captured for conservation, research, and wildlife management purposes. However, capture is associated with a high risk of morbidity or mortality. Capture-induced hyperthermia is a commonly encountered complication believed to contribute significantly to morbidity and mortality. Active cooling of hyperthermic animals by dousing with water is believed to treat capture-induced pathophysiological effects, but remains untested. This study aimed to determine the pathophysiological effects of capture, and whether cooling by dousing with cold water effectively reduces these effects in blesbok (Damaliscus pygargus phillipsi). Thirty-eight blesbok were randomly allocated into three groups: a control group that was not chased (Ct, n=12), chased not cooled (CNC, n=14), and chased plus cooled group (C+C, n=12). The CNC and C+C groups were chased for 15 min prior to chemical immobilization on day 0. Animals in the C+C group were cooled with 10 L of cold water (4 C) for 10 min during immobilization. All animals were immobilized on days 0, 3, 16, and 30. During each immobilization, rectal and muscle temperatures were recorded, and arterial and venous blood samples collected. Blesbok in the CNC and C+C groups presented with capture-induced pathophysiological changes characterized by hyperthermia, hyperlactatemia, increased markers of liver, skeletal, and cardiac muscle damage, hypoxemia, and hypocapnia. Cooling effectively returned body temperatures to normothermic levels, but neither the magnitude nor the duration of the pathophysiological changes differed between the CNC and C+C groups. Therefore, at least in blesbok, capture-induced hyperthermia appears not to be the primary cause of the pathophysiological changes, but is more likely a clinical sign of the hypermetabolism resulting from capture-induced physical and psychological stress. Although cooling is still recommended to prevent the compounding cytotoxic effects of persistent hyperthermia, it is unlikely to prevent stress- and hypoxia-induced damage caused by the capture procedure. en_US
dc.description.department Centre for Wildlife Management en_US
dc.description.department Companion Animal Clinical Studies en_US
dc.description.department Paraclinical Sciences en_US
dc.description.embargo 2024-06-01
dc.description.librarian hj2024 en_US
dc.description.sdg SDG-03:Good heatlh and well-being en_US
dc.description.sponsorship Wildlife Pharmaceuticals and the National Research Foundation (NRF). en_US
dc.description.uri https://meridian.allenpress.com/jwd en_US
dc.identifier.citation Leiberich, M., Fitte, A., Burroughs, R. et al. 2023, 'Cooling by dousing with cold water does not alter the pathophysiological biochemical changes induced by capture in blesbok (Damaliscus pygargus phillipsi)', Journal of Wildlife Diseases, vol. 59, no. 2, pp. 288-298, doi : 10.7589/JWD-D-22-00059. en_US
dc.identifier.issn 1943-3700 (online)
dc.identifier.issn 0090-3558 (print)
dc.identifier.other 10.7589/JWD-D-22-00059
dc.identifier.uri http://hdl.handle.net/2263/95854
dc.language.iso en en_US
dc.publisher Wildlife Disease Association en_US
dc.rights © Wildlife Disease Association 2023. en_US
dc.subject Blesbok (Damaliscus pygargus phillipsi) en_US
dc.subject Capture-induced hyperthermia en_US
dc.subject Capture myopathy (CM) en_US
dc.subject Cooling methods en_US
dc.subject Stress en_US
dc.subject SDG-03: Good health and well-being en_US
dc.title Cooling by dousing with cold water does not alter the pathophysiological biochemical changes induced by capture in blesbok (Damaliscus pygargus phillipsi) en_US
dc.type Postprint Article en_US


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