Ultrasound as a non-invasive alternative for deuterium oxide dilution measurements in harbor seals (Phoca vitulina)
Deuterium oxide dilutions have long been the accepted means for collecting body condition measures on phocids. Blubber depth has become more frequently used as an indicator of health. This project represents the first in-depth examination of blubber depth measured via ultrasound as an indicator of b...
Published in: | Journal of Mammalogy |
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American Society of Mammalogists
2015
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Online Access: | https://doi.org/10.1093/jmammal/gyv037 |
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ftbioone:10.1093/jmammal/gyv037 2024-06-02T08:13:13+00:00 Ultrasound as a non-invasive alternative for deuterium oxide dilution measurements in harbor seals (Phoca vitulina) Lori Polasek Shawna Karpovich Jill Prewitt Carrie Goertz Suzanne Conlon Daniel Hennen Lori Polasek Shawna Karpovich Jill Prewitt Carrie Goertz Suzanne Conlon Daniel Hennen world 2015-04-01 text/HTML https://doi.org/10.1093/jmammal/gyv037 en eng American Society of Mammalogists doi:10.1093/jmammal/gyv037 All rights reserved. https://doi.org/10.1093/jmammal/gyv037 Text 2015 ftbioone https://doi.org/10.1093/jmammal/gyv037 2024-05-07T00:55:29Z Deuterium oxide dilutions have long been the accepted means for collecting body condition measures on phocids. Blubber depth has become more frequently used as an indicator of health. This project represents the first in-depth examination of blubber depth measured via ultrasound as an indicator of body condition in a single species. We concurrently measured blubber depth via imaging ultrasound at 8 locations, fat and protein mass via deuterium oxide dilutions, morphometrics, and mass from wild, captive, and rehabilitating harbor seals (Phoca vitulina; n = 89). Seals ranged from premature to adult. By using body mass and blubber depth measurements we are able to predict fat and lean mass in an independent set of 187 animals (adjusted R2 = 0.77 and 0.96, respectively). Although most of the ultrasound sites produced strong correlates to fat mass, an additive model incorporating body mass, 1 lateral site (L2), and 1 dorsal site (D4) provided the tightest fit. Text Phoca vitulina BioOne Online Journals Journal of Mammalogy 96 2 361 367 |
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Open Polar |
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BioOne Online Journals |
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ftbioone |
language |
English |
description |
Deuterium oxide dilutions have long been the accepted means for collecting body condition measures on phocids. Blubber depth has become more frequently used as an indicator of health. This project represents the first in-depth examination of blubber depth measured via ultrasound as an indicator of body condition in a single species. We concurrently measured blubber depth via imaging ultrasound at 8 locations, fat and protein mass via deuterium oxide dilutions, morphometrics, and mass from wild, captive, and rehabilitating harbor seals (Phoca vitulina; n = 89). Seals ranged from premature to adult. By using body mass and blubber depth measurements we are able to predict fat and lean mass in an independent set of 187 animals (adjusted R2 = 0.77 and 0.96, respectively). Although most of the ultrasound sites produced strong correlates to fat mass, an additive model incorporating body mass, 1 lateral site (L2), and 1 dorsal site (D4) provided the tightest fit. |
author2 |
Lori Polasek Shawna Karpovich Jill Prewitt Carrie Goertz Suzanne Conlon Daniel Hennen |
format |
Text |
author |
Lori Polasek Shawna Karpovich Jill Prewitt Carrie Goertz Suzanne Conlon Daniel Hennen |
spellingShingle |
Lori Polasek Shawna Karpovich Jill Prewitt Carrie Goertz Suzanne Conlon Daniel Hennen Ultrasound as a non-invasive alternative for deuterium oxide dilution measurements in harbor seals (Phoca vitulina) |
author_facet |
Lori Polasek Shawna Karpovich Jill Prewitt Carrie Goertz Suzanne Conlon Daniel Hennen |
author_sort |
Lori Polasek |
title |
Ultrasound as a non-invasive alternative for deuterium oxide dilution measurements in harbor seals (Phoca vitulina) |
title_short |
Ultrasound as a non-invasive alternative for deuterium oxide dilution measurements in harbor seals (Phoca vitulina) |
title_full |
Ultrasound as a non-invasive alternative for deuterium oxide dilution measurements in harbor seals (Phoca vitulina) |
title_fullStr |
Ultrasound as a non-invasive alternative for deuterium oxide dilution measurements in harbor seals (Phoca vitulina) |
title_full_unstemmed |
Ultrasound as a non-invasive alternative for deuterium oxide dilution measurements in harbor seals (Phoca vitulina) |
title_sort |
ultrasound as a non-invasive alternative for deuterium oxide dilution measurements in harbor seals (phoca vitulina) |
publisher |
American Society of Mammalogists |
publishDate |
2015 |
url |
https://doi.org/10.1093/jmammal/gyv037 |
op_coverage |
world |
genre |
Phoca vitulina |
genre_facet |
Phoca vitulina |
op_source |
https://doi.org/10.1093/jmammal/gyv037 |
op_relation |
doi:10.1093/jmammal/gyv037 |
op_rights |
All rights reserved. |
op_doi |
https://doi.org/10.1093/jmammal/gyv037 |
container_title |
Journal of Mammalogy |
container_volume |
96 |
container_issue |
2 |
container_start_page |
361 |
op_container_end_page |
367 |
_version_ |
1800736636353380352 |