Behaviour of reindeer as an indicator of an adaptation to feeding
Abstract: We assessed behaviour of reindeer affected by nutritional deprivation and how they adapted to various feeding strategies. The activity pattern of 61 penned eight month old female reindeer calves was observed during 20 of a total of 42 experimental days in winter 1997. The dominant activiti...
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Language: | English |
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Septentrio Academic Publishing
2004
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ftunitroemsoe:oai:ojs.henry.ub.uit.no:article/297 2023-05-15T18:03:54+02:00 Behaviour of reindeer as an indicator of an adaptation to feeding Nilsson, Anna Norberg, Harri Redbo, Ingrid Olsson, Kerstin Åhman, Birgitta 2004-04-01 application/pdf https://septentrio.uit.no/index.php/rangifer/article/view/297 https://doi.org/10.7557/2.24.1.297 eng eng Septentrio Academic Publishing https://septentrio.uit.no/index.php/rangifer/article/view/297/278 https://septentrio.uit.no/index.php/rangifer/article/view/297 doi:10.7557/2.24.1.297 Copyright (c) 2015 Anna Nilsson, Harri Norberg, Ingrid Redbo, Kerstin Olsson, Birgitta Åhman http://creativecommons.org/licenses/by/3.0/ CC-BY Rangifer; Årg 24 Nr 1 (2004); 21-24 Rangifer; Vol 24 No 1 (2004); 21-24 1890-6729 activity diet energy Rangifer tarandus info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2004 ftunitroemsoe https://doi.org/10.7557/2.24.1.297 2021-08-16T14:19:24Z Abstract: We assessed behaviour of reindeer affected by nutritional deprivation and how they adapted to various feeding strategies. The activity pattern of 61 penned eight month old female reindeer calves was observed during 20 of a total of 42 experimental days in winter 1997. The dominant activities were lying, ruminating, intake of feed and water, and standing. Few recordings of agonistic behaviour or snow intake occured. Restricted feed intake, half the ad lib. ration of a lichen-based diet, affected the eating behaviour of the reindeer, and more animals were standing and fewer lying compared to reindeer fed ad lib. Lack of energy in the diet correlated with animals lying curled up (lying with the muzzle close to the hind legs). This behaviour could be a useful complement to other measurements and registrations when studying adaptations to various feeding regimens.Abstract in Swedish/Sammanfattning:Syftet med studien var att undersöka om, och i så fall hur renars beteende påverkades av otillräckligt näringsintag och vid anpassning till olika utfodringsstrategier. Aktivitetsmönstret hos 61 inhägnade åtta månader gamla honrenkalvar studerades under 20 av totalt 42 försöksdagar. De vanligaste beteendekategorierna genom hela försöket var ligga, idissla, intag av foder och vatten samt stå passivt. Endast ett fåtal observationer av aggressivt beteende och snöätande registrerades. En begränsad giva dvs. halva mängden av fodergivan vid fri tillgång av en lavbaserad diet påverkade djuren ätbeteende. Dessutom observerades fler djur stå passivt medan färre låg jämfört med kontrollgruppen. Under första fasen av utfodring efter restriktionsperioden låg fler djur låg ihoprullade (med mulen tätt intill bakbenet) jämfört med kontrollgruppen, vilket tolkades som ett tecken på energibrist. Beteendestudierna visade sig vara ett värdefullt komplement till övriga mätningar och provtagningar vid studier av renars anpassning till olika utfodringsregimer. Article in Journal/Newspaper Rangifer Rangifer tarandus University of Tromsø: Septentrio Academic Publishing Ligga ENVELOPE(19.947,19.947,66.780,66.780) Mulen ENVELOPE(15.707,15.707,68.106,68.106) The Muzzle ENVELOPE(-63.031,-63.031,58.884,58.884) Rangifer 24 1 21 24 |
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Open Polar |
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University of Tromsø: Septentrio Academic Publishing |
op_collection_id |
ftunitroemsoe |
language |
English |
topic |
activity diet energy Rangifer tarandus |
spellingShingle |
activity diet energy Rangifer tarandus Nilsson, Anna Norberg, Harri Redbo, Ingrid Olsson, Kerstin Åhman, Birgitta Behaviour of reindeer as an indicator of an adaptation to feeding |
topic_facet |
activity diet energy Rangifer tarandus |
description |
Abstract: We assessed behaviour of reindeer affected by nutritional deprivation and how they adapted to various feeding strategies. The activity pattern of 61 penned eight month old female reindeer calves was observed during 20 of a total of 42 experimental days in winter 1997. The dominant activities were lying, ruminating, intake of feed and water, and standing. Few recordings of agonistic behaviour or snow intake occured. Restricted feed intake, half the ad lib. ration of a lichen-based diet, affected the eating behaviour of the reindeer, and more animals were standing and fewer lying compared to reindeer fed ad lib. Lack of energy in the diet correlated with animals lying curled up (lying with the muzzle close to the hind legs). This behaviour could be a useful complement to other measurements and registrations when studying adaptations to various feeding regimens.Abstract in Swedish/Sammanfattning:Syftet med studien var att undersöka om, och i så fall hur renars beteende påverkades av otillräckligt näringsintag och vid anpassning till olika utfodringsstrategier. Aktivitetsmönstret hos 61 inhägnade åtta månader gamla honrenkalvar studerades under 20 av totalt 42 försöksdagar. De vanligaste beteendekategorierna genom hela försöket var ligga, idissla, intag av foder och vatten samt stå passivt. Endast ett fåtal observationer av aggressivt beteende och snöätande registrerades. En begränsad giva dvs. halva mängden av fodergivan vid fri tillgång av en lavbaserad diet påverkade djuren ätbeteende. Dessutom observerades fler djur stå passivt medan färre låg jämfört med kontrollgruppen. Under första fasen av utfodring efter restriktionsperioden låg fler djur låg ihoprullade (med mulen tätt intill bakbenet) jämfört med kontrollgruppen, vilket tolkades som ett tecken på energibrist. Beteendestudierna visade sig vara ett värdefullt komplement till övriga mätningar och provtagningar vid studier av renars anpassning till olika utfodringsregimer. |
format |
Article in Journal/Newspaper |
author |
Nilsson, Anna Norberg, Harri Redbo, Ingrid Olsson, Kerstin Åhman, Birgitta |
author_facet |
Nilsson, Anna Norberg, Harri Redbo, Ingrid Olsson, Kerstin Åhman, Birgitta |
author_sort |
Nilsson, Anna |
title |
Behaviour of reindeer as an indicator of an adaptation to feeding |
title_short |
Behaviour of reindeer as an indicator of an adaptation to feeding |
title_full |
Behaviour of reindeer as an indicator of an adaptation to feeding |
title_fullStr |
Behaviour of reindeer as an indicator of an adaptation to feeding |
title_full_unstemmed |
Behaviour of reindeer as an indicator of an adaptation to feeding |
title_sort |
behaviour of reindeer as an indicator of an adaptation to feeding |
publisher |
Septentrio Academic Publishing |
publishDate |
2004 |
url |
https://septentrio.uit.no/index.php/rangifer/article/view/297 https://doi.org/10.7557/2.24.1.297 |
long_lat |
ENVELOPE(19.947,19.947,66.780,66.780) ENVELOPE(15.707,15.707,68.106,68.106) ENVELOPE(-63.031,-63.031,58.884,58.884) |
geographic |
Ligga Mulen The Muzzle |
geographic_facet |
Ligga Mulen The Muzzle |
genre |
Rangifer Rangifer tarandus |
genre_facet |
Rangifer Rangifer tarandus |
op_source |
Rangifer; Årg 24 Nr 1 (2004); 21-24 Rangifer; Vol 24 No 1 (2004); 21-24 1890-6729 |
op_relation |
https://septentrio.uit.no/index.php/rangifer/article/view/297/278 https://septentrio.uit.no/index.php/rangifer/article/view/297 doi:10.7557/2.24.1.297 |
op_rights |
Copyright (c) 2015 Anna Nilsson, Harri Norberg, Ingrid Redbo, Kerstin Olsson, Birgitta Åhman http://creativecommons.org/licenses/by/3.0/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.7557/2.24.1.297 |
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Rangifer |
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