Tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males
Immobilization and anaesthesia of adult male southern elephant seals (Mirounga leonina) is potentially risky for animals and scientists. A tiletamine/zolazepam injection is considered the most appropriate drug combination for field application in this species. Since appropriate dosages are difficult...
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ftawi:oai:epic.awi.de:33491 2024-09-15T18:04:39+00:00 Tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males Bornemann, Horst de Bruyn, P. J. N. Reisinger, R. R. Kästner, S. Márquez, M. E. I. McIntyre, Trevor Bester, Marthán. N. Plötz, Joachim 2013 application/pdf https://epic.awi.de/id/eprint/33491/ https://epic.awi.de/id/eprint/33491/1/Bornemann-etal_2013_post-print.pdf https://hdl.handle.net/10013/epic.41918 https://hdl.handle.net/10013/epic.41918.d001 unknown SPRINGER https://epic.awi.de/id/eprint/33491/1/Bornemann-etal_2013_post-print.pdf https://hdl.handle.net/10013/epic.41918.d001 Bornemann, H. , de Bruyn, P. J. N. , Reisinger, R. R. , Kästner, S. , Márquez, M. E. I. , McIntyre, T. , Bester, M. N. and Plötz, J. (2013) Tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males , Polar Biology . doi:10.1007/s00300-013-1378-5 <https://doi.org/10.1007/s00300-013-1378-5> , hdl:10013/epic.41918 EPIC3Polar Biology, SPRINGER, ISSN: 0722-4060 Article isiRev 2013 ftawi https://doi.org/10.1007/s00300-013-1378-5 2024-06-24T04:07:26Z Immobilization and anaesthesia of adult male southern elephant seals (Mirounga leonina) is potentially risky for animals and scientists. A tiletamine/zolazepam injection is considered the most appropriate drug combination for field application in this species. Since appropriate dosages are difficult to assess due to uncertainties in weight estimation, we used photogrammetry-derived weight estimates to ensure precise post hoc calculations of dosages. We report on 15 intramuscular tiletamine/zolazepam immobilizations of post-moult males of the upper weight class at King George Island/Isla 25 de Mayo, in April 2010. Initial injections were made using blowpipe syringes. Mean tiletamine/zolazepam combined dosages of 0.71 mg kg-1 (SD ± 0.16) ranged between 0.46 and 1.01 mg kg-1. In four cases, ketamine was added in dosages between 0.96 and 2.61 mg kg-1. Mean induction period was 23 min (± 15), and the mean duration of the procedures from first injection to release of the animals required 96 min (± 51). Four seals exhibited periods of apnoea, and one case of an extended, repetitive, and potentially critical apnoea (>25 and 8 min) required intervention in order to successfully re-initiate spontaneous respiration. All procedures resulted in proper immobilizations allowing for the deployment of the satellite tags on the seals’ heads. The fact that even substantial deviations between the initial weight estimates and the photogrammetry-derived weight estimates had no apparent effect on the course of the immobilization underlines the drugs’ wide safety margin in this species. Article in Journal/Newspaper Elephant Seal Elephant Seals Isla 25 de Mayo King George Island Mirounga leonina Polar Biology Southern Elephant Seal Southern Elephant Seals Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Polar Biology 36 11 1687 1692 |
institution |
Open Polar |
collection |
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
Immobilization and anaesthesia of adult male southern elephant seals (Mirounga leonina) is potentially risky for animals and scientists. A tiletamine/zolazepam injection is considered the most appropriate drug combination for field application in this species. Since appropriate dosages are difficult to assess due to uncertainties in weight estimation, we used photogrammetry-derived weight estimates to ensure precise post hoc calculations of dosages. We report on 15 intramuscular tiletamine/zolazepam immobilizations of post-moult males of the upper weight class at King George Island/Isla 25 de Mayo, in April 2010. Initial injections were made using blowpipe syringes. Mean tiletamine/zolazepam combined dosages of 0.71 mg kg-1 (SD ± 0.16) ranged between 0.46 and 1.01 mg kg-1. In four cases, ketamine was added in dosages between 0.96 and 2.61 mg kg-1. Mean induction period was 23 min (± 15), and the mean duration of the procedures from first injection to release of the animals required 96 min (± 51). Four seals exhibited periods of apnoea, and one case of an extended, repetitive, and potentially critical apnoea (>25 and 8 min) required intervention in order to successfully re-initiate spontaneous respiration. All procedures resulted in proper immobilizations allowing for the deployment of the satellite tags on the seals’ heads. The fact that even substantial deviations between the initial weight estimates and the photogrammetry-derived weight estimates had no apparent effect on the course of the immobilization underlines the drugs’ wide safety margin in this species. |
format |
Article in Journal/Newspaper |
author |
Bornemann, Horst de Bruyn, P. J. N. Reisinger, R. R. Kästner, S. Márquez, M. E. I. McIntyre, Trevor Bester, Marthán. N. Plötz, Joachim |
spellingShingle |
Bornemann, Horst de Bruyn, P. J. N. Reisinger, R. R. Kästner, S. Márquez, M. E. I. McIntyre, Trevor Bester, Marthán. N. Plötz, Joachim Tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males |
author_facet |
Bornemann, Horst de Bruyn, P. J. N. Reisinger, R. R. Kästner, S. Márquez, M. E. I. McIntyre, Trevor Bester, Marthán. N. Plötz, Joachim |
author_sort |
Bornemann, Horst |
title |
Tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males |
title_short |
Tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males |
title_full |
Tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males |
title_fullStr |
Tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males |
title_full_unstemmed |
Tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males |
title_sort |
tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males |
publisher |
SPRINGER |
publishDate |
2013 |
url |
https://epic.awi.de/id/eprint/33491/ https://epic.awi.de/id/eprint/33491/1/Bornemann-etal_2013_post-print.pdf https://hdl.handle.net/10013/epic.41918 https://hdl.handle.net/10013/epic.41918.d001 |
genre |
Elephant Seal Elephant Seals Isla 25 de Mayo King George Island Mirounga leonina Polar Biology Southern Elephant Seal Southern Elephant Seals |
genre_facet |
Elephant Seal Elephant Seals Isla 25 de Mayo King George Island Mirounga leonina Polar Biology Southern Elephant Seal Southern Elephant Seals |
op_source |
EPIC3Polar Biology, SPRINGER, ISSN: 0722-4060 |
op_relation |
https://epic.awi.de/id/eprint/33491/1/Bornemann-etal_2013_post-print.pdf https://hdl.handle.net/10013/epic.41918.d001 Bornemann, H. , de Bruyn, P. J. N. , Reisinger, R. R. , Kästner, S. , Márquez, M. E. I. , McIntyre, T. , Bester, M. N. and Plötz, J. (2013) Tiletamine/zolazepam immobilization of adult post-moult southern elephant seal males , Polar Biology . doi:10.1007/s00300-013-1378-5 <https://doi.org/10.1007/s00300-013-1378-5> , hdl:10013/epic.41918 |
op_doi |
https://doi.org/10.1007/s00300-013-1378-5 |
container_title |
Polar Biology |
container_volume |
36 |
container_issue |
11 |
container_start_page |
1687 |
op_container_end_page |
1692 |
_version_ |
1810442270973886464 |