Comparative Respiratory Physiology in Cetaceans

In the current study, we used breath-by-breath respirometry to evaluate respiratory physiology under voluntary control in a male beluga calf [Delphinapterus leucas, body mass range (Mb): 151–175 kg], an adult female (estimated Mb = 500–550 kg) and a juvenile male (Mb = 279 kg) false killer whale (Ps...
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Gespeichert in:

Autor*in:	Andreas Fahlman [verfasserIn] Alicia Borque-Espinosa [verfasserIn] Federico Facchin [verfasserIn] Diana Ferrero Fernandez [verfasserIn] Paola Muñoz Caballero [verfasserIn] Martin Haulena [verfasserIn] Julie Rocho-Levine [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	diving physiology marine mammals bottlenose dolphin killer whale beluga pilot whale

Übergeordnetes Werk:	In: Frontiers in Physiology - Frontiers Media S.A., 2011, 11(2020)
Übergeordnetes Werk:	volume:11 ; year:2020

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3389/fphys.2020.00142

Katalog-ID:	DOAJ075745798

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allfieldsSound	10.3389/fphys.2020.00142 doi (DE-627)DOAJ075745798 (DE-599)DOAJ212af9b3202e42c2962c84353751feb5 DE-627 ger DE-627 rakwb eng QP1-981 Andreas Fahlman verfasserin aut Comparative Respiratory Physiology in Cetaceans 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the current study, we used breath-by-breath respirometry to evaluate respiratory physiology under voluntary control in a male beluga calf [Delphinapterus leucas, body mass range (Mb): 151–175 kg], an adult female (estimated Mb = 500–550 kg) and a juvenile male (Mb = 279 kg) false killer whale (Pseudorca crassidens) housed in managed care. Our results suggest that the measured breathing frequency (fR) is lower, while tidal volume (VT) is significantly greater as compared with allometric predictions from terrestrial mammals. Including previously published data from adult bottlenose dolphin (Tursiops truncatus) beluga, harbor porpoise (Phocoena phocoena), killer whale (Orcinus orca), pilot whale (Globicephala scammoni), and gray whale (Eschrichtius robustus) show that the allometric mass-exponents for VT and fR are similar to that for terrestrial mammals (VT: 1.00, fR: −0.20). In addition, our results suggest an allometric relationship for respiratory flow (V.), with a mass-exponent between 0.63 and 0.70, and where the expiratory V. was an average 30% higher as compared with inspiratory V.. These data provide enhanced understanding of the respiratory physiology of cetaceans and are useful to provide proxies of lung function to better understand lung health or physiological limitations. diving physiology marine mammals bottlenose dolphin killer whale beluga pilot whale Physiology Andreas Fahlman verfasserin aut Alicia Borque-Espinosa verfasserin aut Alicia Borque-Espinosa verfasserin aut Federico Facchin verfasserin aut Diana Ferrero Fernandez verfasserin aut Paola Muñoz Caballero verfasserin aut Martin Haulena verfasserin aut Julie Rocho-Levine verfasserin aut In Frontiers in Physiology Frontiers Media S.A., 2011 11(2020) (DE-627)631498788 (DE-600)2564217-0 1664042X nnns volume:11 year:2020 https://doi.org/10.3389/fphys.2020.00142 kostenfrei https://doaj.org/article/212af9b3202e42c2962c84353751feb5 kostenfrei https://www.frontiersin.org/article/10.3389/fphys.2020.00142/full kostenfrei https://doaj.org/toc/1664-042X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020
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callnumber-first	Q - Science
author	Andreas Fahlman
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topic	misc QP1-981 misc diving physiology misc marine mammals misc bottlenose dolphin misc killer whale misc beluga misc pilot whale misc Physiology
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title	Comparative Respiratory Physiology in Cetaceans
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title_sort	comparative respiratory physiology in cetaceans
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title_auth	Comparative Respiratory Physiology in Cetaceans
abstract	In the current study, we used breath-by-breath respirometry to evaluate respiratory physiology under voluntary control in a male beluga calf [Delphinapterus leucas, body mass range (Mb): 151–175 kg], an adult female (estimated Mb = 500–550 kg) and a juvenile male (Mb = 279 kg) false killer whale (Pseudorca crassidens) housed in managed care. Our results suggest that the measured breathing frequency (fR) is lower, while tidal volume (VT) is significantly greater as compared with allometric predictions from terrestrial mammals. Including previously published data from adult bottlenose dolphin (Tursiops truncatus) beluga, harbor porpoise (Phocoena phocoena), killer whale (Orcinus orca), pilot whale (Globicephala scammoni), and gray whale (Eschrichtius robustus) show that the allometric mass-exponents for VT and fR are similar to that for terrestrial mammals (VT: 1.00, fR: −0.20). In addition, our results suggest an allometric relationship for respiratory flow (V.), with a mass-exponent between 0.63 and 0.70, and where the expiratory V. was an average 30% higher as compared with inspiratory V.. These data provide enhanced understanding of the respiratory physiology of cetaceans and are useful to provide proxies of lung function to better understand lung health or physiological limitations.
abstractGer	In the current study, we used breath-by-breath respirometry to evaluate respiratory physiology under voluntary control in a male beluga calf [Delphinapterus leucas, body mass range (Mb): 151–175 kg], an adult female (estimated Mb = 500–550 kg) and a juvenile male (Mb = 279 kg) false killer whale (Pseudorca crassidens) housed in managed care. Our results suggest that the measured breathing frequency (fR) is lower, while tidal volume (VT) is significantly greater as compared with allometric predictions from terrestrial mammals. Including previously published data from adult bottlenose dolphin (Tursiops truncatus) beluga, harbor porpoise (Phocoena phocoena), killer whale (Orcinus orca), pilot whale (Globicephala scammoni), and gray whale (Eschrichtius robustus) show that the allometric mass-exponents for VT and fR are similar to that for terrestrial mammals (VT: 1.00, fR: −0.20). In addition, our results suggest an allometric relationship for respiratory flow (V.), with a mass-exponent between 0.63 and 0.70, and where the expiratory V. was an average 30% higher as compared with inspiratory V.. These data provide enhanced understanding of the respiratory physiology of cetaceans and are useful to provide proxies of lung function to better understand lung health or physiological limitations.
abstract_unstemmed	In the current study, we used breath-by-breath respirometry to evaluate respiratory physiology under voluntary control in a male beluga calf [Delphinapterus leucas, body mass range (Mb): 151–175 kg], an adult female (estimated Mb = 500–550 kg) and a juvenile male (Mb = 279 kg) false killer whale (Pseudorca crassidens) housed in managed care. Our results suggest that the measured breathing frequency (fR) is lower, while tidal volume (VT) is significantly greater as compared with allometric predictions from terrestrial mammals. Including previously published data from adult bottlenose dolphin (Tursiops truncatus) beluga, harbor porpoise (Phocoena phocoena), killer whale (Orcinus orca), pilot whale (Globicephala scammoni), and gray whale (Eschrichtius robustus) show that the allometric mass-exponents for VT and fR are similar to that for terrestrial mammals (VT: 1.00, fR: −0.20). In addition, our results suggest an allometric relationship for respiratory flow (V.), with a mass-exponent between 0.63 and 0.70, and where the expiratory V. was an average 30% higher as compared with inspiratory V.. These data provide enhanced understanding of the respiratory physiology of cetaceans and are useful to provide proxies of lung function to better understand lung health or physiological limitations.
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title_short	Comparative Respiratory Physiology in Cetaceans
url	https://doi.org/10.3389/fphys.2020.00142 https://doaj.org/article/212af9b3202e42c2962c84353751feb5 https://www.frontiersin.org/article/10.3389/fphys.2020.00142/full https://doaj.org/toc/1664-042X
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author2	Andreas Fahlman Alicia Borque-Espinosa Federico Facchin Diana Ferrero Fernandez Paola Muñoz Caballero Martin Haulena Julie Rocho-Levine
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up_date	2024-07-03T16:36:19.671Z
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