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Wake respirometry allows breath-by-breath assessment of ventilation and CO2 production in unrestrained animals

Kayleigh Rose Orcid Logo, Rory Wilson Orcid Logo, Claudia Ramenda, Hermina Robotka, Martin Wikelski, Emily Shepard Orcid Logo

iScience, Volume: 25, Issue: 9, Start page: 104878

Swansea University Authors: Kayleigh Rose Orcid Logo, Rory Wilson Orcid Logo, Emily Shepard Orcid Logo

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DOI (Published version): 10.1016/j.isci.2022.104878

Abstract

Quantifying stress and energetic responses in animals are major challenges, as existing methods lack temporal resolution and elevate animal stress. We propose‘‘wake respirometry,’’ a new method of quantifying fine-scale changes in CO2 production in unrestrained animals, using a nondispersive infrare...

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Published in: iScience
ISSN: 2589-0042
Published: Elsevier BV 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa60973
first_indexed 2022-09-16T10:41:49Z
last_indexed 2023-01-13T19:21:29Z
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spelling 2022-10-24T15:39:40.4474611 v2 60973 2022-08-30 Wake respirometry allows breath-by-breath assessment of ventilation and CO2 production in unrestrained animals 83a47731b96af0d69fcbdb6c4c5a20aa 0000-0001-7023-2809 Kayleigh Rose Kayleigh Rose true false 017bc6dd155098860945dc6249c4e9bc 0000-0003-3177-0177 Rory Wilson Rory Wilson true false 54729295145aa1ea56d176818d51ed6a 0000-0001-7325-6398 Emily Shepard Emily Shepard true false 2022-08-30 BGPS Quantifying stress and energetic responses in animals are major challenges, as existing methods lack temporal resolution and elevate animal stress. We propose‘‘wake respirometry,’’ a new method of quantifying fine-scale changes in CO2 production in unrestrained animals, using a nondispersive infrared CO2 sensor positioned downwind of the animal, i.e., in its wake. We parameterize the dispersionof CO2 in wakes using known CO2 flow rates and wind speeds. Tests with threebird species in a wind tunnel demonstrated that the system can resolve breathby-breath changes in CO2 concentration, with clear exhalation signaturesincreasing in period and integral with body size. Changes in physiological statewere detectable following handling, flight, and exposure to a perceived threat.We discuss the potential of wake respirometry to quantify stress and respiratorypatterns in wild animals and provide suggestions for estimating behavior-specificmetabolic rates via full integration of CO2 production across the wake. Journal Article iScience 25 9 104878 Elsevier BV 2589-0042 Wildlife behavior, Physiology, Animal physiology, Methodology in biological sciences 16 9 2022 2022-09-16 10.1016/j.isci.2022.104878 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University SU College/Department paid the OA fee This work was supported by the European Research Council under the European Union’s Horizon 2020 research and innovation program (starting grant 715874 to ELCS) and a Max Planck Sabbatical Fellowship (to ELCS). 2022-10-24T15:39:40.4474611 2022-08-30T11:37:05.0748377 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Kayleigh Rose 0000-0001-7023-2809 1 Rory Wilson 0000-0003-3177-0177 2 Claudia Ramenda 3 Hermina Robotka 4 Martin Wikelski 5 Emily Shepard 0000-0001-7325-6398 6 60973__25146__dbd76da613484283a571cf46973ef38a.pdf 60973_VoR.pdf 2022-09-16T11:43:17.2470836 Output 2146605 application/pdf Version of Record true Copyright: 2022 The Authors. This is an open access article under the CC BY license true eng http://creativecommons.org/licenses/by/4.0/
title Wake respirometry allows breath-by-breath assessment of ventilation and CO2 production in unrestrained animals
spellingShingle Wake respirometry allows breath-by-breath assessment of ventilation and CO2 production in unrestrained animals
Kayleigh Rose
Rory Wilson
Emily Shepard
title_short Wake respirometry allows breath-by-breath assessment of ventilation and CO2 production in unrestrained animals
title_full Wake respirometry allows breath-by-breath assessment of ventilation and CO2 production in unrestrained animals
title_fullStr Wake respirometry allows breath-by-breath assessment of ventilation and CO2 production in unrestrained animals
title_full_unstemmed Wake respirometry allows breath-by-breath assessment of ventilation and CO2 production in unrestrained animals
title_sort Wake respirometry allows breath-by-breath assessment of ventilation and CO2 production in unrestrained animals
author_id_str_mv 83a47731b96af0d69fcbdb6c4c5a20aa
017bc6dd155098860945dc6249c4e9bc
54729295145aa1ea56d176818d51ed6a
author_id_fullname_str_mv 83a47731b96af0d69fcbdb6c4c5a20aa_***_Kayleigh Rose
017bc6dd155098860945dc6249c4e9bc_***_Rory Wilson
54729295145aa1ea56d176818d51ed6a_***_Emily Shepard
author Kayleigh Rose
Rory Wilson
Emily Shepard
author2 Kayleigh Rose
Rory Wilson
Claudia Ramenda
Hermina Robotka
Martin Wikelski
Emily Shepard
format Journal article
container_title iScience
container_volume 25
container_issue 9
container_start_page 104878
publishDate 2022
institution Swansea University
issn 2589-0042
doi_str_mv 10.1016/j.isci.2022.104878
publisher Elsevier BV
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 1
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description Quantifying stress and energetic responses in animals are major challenges, as existing methods lack temporal resolution and elevate animal stress. We propose‘‘wake respirometry,’’ a new method of quantifying fine-scale changes in CO2 production in unrestrained animals, using a nondispersive infrared CO2 sensor positioned downwind of the animal, i.e., in its wake. We parameterize the dispersionof CO2 in wakes using known CO2 flow rates and wind speeds. Tests with threebird species in a wind tunnel demonstrated that the system can resolve breathby-breath changes in CO2 concentration, with clear exhalation signaturesincreasing in period and integral with body size. Changes in physiological statewere detectable following handling, flight, and exposure to a perceived threat.We discuss the potential of wake respirometry to quantify stress and respiratorypatterns in wild animals and provide suggestions for estimating behavior-specificmetabolic rates via full integration of CO2 production across the wake.
published_date 2022-09-16T14:17:49Z
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