Survival improvements of marine mammals in zoological institutions mirror historical advances in human longevity
Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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Survival improvements of marine mammals in zoological institutions mirror historical advances in human longevity. / Tidière, Morgane; Colchero, Fernando; Staerk, Johanna; Adkesson, Michael J.; Andersen, Ditte H.; Bland, Lucie; Böye, Martin; Brando, Sabrina; Clegg, Isabella; Cubaynes, Sarah; Cutting, Amy; De Man, Danny; Derocher, Andrew E.; Dorsey, Candice; Elgar, William; Gaglione, Eric; Anderson Hansen, Kirstin; Jungheim, Allison; Kok, José; Laule, Gail; Goya, Agustín Lopez; Miller, Lance; Monreal-Pawlowsky, Tania; Mucha, Katelyn; Owen, Megan A.; Petersen, Stephen D.; Pilfold, Nicholas; Richardson, Douglas; Richardson, Evan. S; Sabo, Devon; Sato, Nobutaka; Shellabarger, Wynona; Skovlund, Cecilie R.; Tomisawa, Kanako; Trautwein, Sandra E.; Bonn, William Van; Elk, Cornelis Van; Von Fersen, Lorenzo; Wahlberg, Magnus; Zhang, Peijun; Zhang, Xianfeng; Conde, Dalia A.
I: Proceedings. Biological sciences, Bind 290, Nr. 2009, 20231895, 2023.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Survival improvements of marine mammals in zoological institutions mirror historical advances in human longevity
AU - Tidière, Morgane
AU - Colchero, Fernando
AU - Staerk, Johanna
AU - Adkesson, Michael J.
AU - Andersen, Ditte H.
AU - Bland, Lucie
AU - Böye, Martin
AU - Brando, Sabrina
AU - Clegg, Isabella
AU - Cubaynes, Sarah
AU - Cutting, Amy
AU - De Man, Danny
AU - Derocher, Andrew E.
AU - Dorsey, Candice
AU - Elgar, William
AU - Gaglione, Eric
AU - Anderson Hansen, Kirstin
AU - Jungheim, Allison
AU - Kok, José
AU - Laule, Gail
AU - Goya, Agustín Lopez
AU - Miller, Lance
AU - Monreal-Pawlowsky, Tania
AU - Mucha, Katelyn
AU - Owen, Megan A.
AU - Petersen, Stephen D.
AU - Pilfold, Nicholas
AU - Richardson, Douglas
AU - Richardson, Evan. S
AU - Sabo, Devon
AU - Sato, Nobutaka
AU - Shellabarger, Wynona
AU - Skovlund, Cecilie R.
AU - Tomisawa, Kanako
AU - Trautwein, Sandra E.
AU - Bonn, William Van
AU - Elk, Cornelis Van
AU - Von Fersen, Lorenzo
AU - Wahlberg, Magnus
AU - Zhang, Peijun
AU - Zhang, Xianfeng
AU - Conde, Dalia A.
PY - 2023
Y1 - 2023
N2 - An intense public debate has fuelled governmental bans on marine mammals held in zoological institutions. The debate rests on the assumption that survival in zoological institutions has been and remains lower than in the wild, albeit the scientific evidence in support of this notion is equivocal. Here, we used statistical methods previously applied to assess historical improvements in human lifespan and data on 8864 individuals of four marine mammal species (harbour seal, Phoca vitulina; California sea lion, Zalophus californianus; polar bear, Ursus maritimus; common bottlenose dolphin, Tursiops truncatus) held in zoos from 1829 to 2020. We found that life expectancy increased up to 3.40 times, and first-year mortality declined up to 31%, during the last century in zoos. Moreover, the life expectancy of animals in zoos is currently 1.65-3.55 times longer than their wild counterparts. Like humans, these improvements have occurred concurrently with advances in management practices, crucial for population welfare. Science-based decisions will help effective legislative changes and ensure better implementation of animal care.
AB - An intense public debate has fuelled governmental bans on marine mammals held in zoological institutions. The debate rests on the assumption that survival in zoological institutions has been and remains lower than in the wild, albeit the scientific evidence in support of this notion is equivocal. Here, we used statistical methods previously applied to assess historical improvements in human lifespan and data on 8864 individuals of four marine mammal species (harbour seal, Phoca vitulina; California sea lion, Zalophus californianus; polar bear, Ursus maritimus; common bottlenose dolphin, Tursiops truncatus) held in zoos from 1829 to 2020. We found that life expectancy increased up to 3.40 times, and first-year mortality declined up to 31%, during the last century in zoos. Moreover, the life expectancy of animals in zoos is currently 1.65-3.55 times longer than their wild counterparts. Like humans, these improvements have occurred concurrently with advances in management practices, crucial for population welfare. Science-based decisions will help effective legislative changes and ensure better implementation of animal care.
U2 - 10.1098/rspb.2023.1895
DO - 10.1098/rspb.2023.1895
M3 - Journal article
C2 - 37848064
VL - 290
JO - Proceedings of the Royal Society B: Biological Sciences
JF - Proceedings of the Royal Society B: Biological Sciences
SN - 0962-8452
IS - 2009
M1 - 20231895
ER -
ID: 370215063