Genetic and environmental effects affecting the variation in birth date and birth weight of reindeer calves
The factors causing variation in birth date and birth weight were analysed from the data from an experimental reindeer herd consisting of 1136 calves with parental information. The traits had coefficient of variation of 37 and 14%, respectively. The variation in both traits was affected by year and...
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ftunitroemsoe:oai:ojs.henry.ub.uit.no:article/2598 2023-05-15T17:33:59+02:00 Genetic and environmental effects affecting the variation in birth date and birth weight of reindeer calves Muuttoranta, Kirsi Holand, Øystein Røed, Knut H. Tapio, Miika Nieminen, Mauri Mäki-Tanila, Asko 2013-11-07 application/pdf application/vnd.openxmlformats-officedocument.spreadsheetml.sheet https://septentrio.uit.no/index.php/rangifer/article/view/2598 https://doi.org/10.7557/2.33.1.2598 eng eng Septentrio Academic Publishing https://septentrio.uit.no/index.php/rangifer/article/view/2598/2942 https://septentrio.uit.no/index.php/rangifer/article/view/2598/4352 https://septentrio.uit.no/index.php/rangifer/article/view/2598/4353 https://septentrio.uit.no/index.php/rangifer/article/view/2598 doi:10.7557/2.33.1.2598 Copyright (c) 2015 Kirsi Muuttoranta, Øystein Holand, Knut H. Røed, Miika Tapio, Mauri Nieminen, Asko Mäki-Tanila http://creativecommons.org/licenses/by/3.0/ CC-BY Rangifer; Årg 33 Nr 1 (2013); 25-35 Rangifer; Vol 33 No 1 (2013); 25-35 1890-6729 birth weight birth date genetic correlation heritability maternal effect Rangifer tarandus reindeer info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2013 ftunitroemsoe https://doi.org/10.7557/2.33.1.2598 2021-08-16T15:13:55Z The factors causing variation in birth date and birth weight were analysed from the data from an experimental reindeer herd consisting of 1136 calves with parental information. The traits had coefficient of variation of 37 and 14%, respectively. The variation in both traits was affected by year and sex (male calves heavier) and by management factors, such as the age distribution of females and males. Early calving results from the use of older breeding males and is most apparent in prime age females. In both traits the heritability was moderate (0.23 and 0.24) with a high proportion of maternal genetic variation (0.23) in birth weight. The North Atlantic Oscillation (NAO) indices, summarizing the major weather conditions prior to rut, explained part of the annual variation in the traits. The amount of total genetic variation in relation to trait mean, or the evolvability, was 21% in birth date and 10% in birth weight indicating that selection could successfully be used to improve herd productivity and that the traits have substantial potential for adapting to possible changing environmental conditions. The results on genetic correlations imply that selection on calf’s birth weight leads on one hand to calves being born earlier and on the other hand to dams with later parturition. Article in Journal/Newspaper North Atlantic North Atlantic oscillation Rangifer Rangifer tarandus University of Tromsø: Septentrio Academic Publishing Rangifer 33 1 25 |
institution |
Open Polar |
collection |
University of Tromsø: Septentrio Academic Publishing |
op_collection_id |
ftunitroemsoe |
language |
English |
topic |
birth weight birth date genetic correlation heritability maternal effect Rangifer tarandus reindeer |
spellingShingle |
birth weight birth date genetic correlation heritability maternal effect Rangifer tarandus reindeer Muuttoranta, Kirsi Holand, Øystein Røed, Knut H. Tapio, Miika Nieminen, Mauri Mäki-Tanila, Asko Genetic and environmental effects affecting the variation in birth date and birth weight of reindeer calves |
topic_facet |
birth weight birth date genetic correlation heritability maternal effect Rangifer tarandus reindeer |
description |
The factors causing variation in birth date and birth weight were analysed from the data from an experimental reindeer herd consisting of 1136 calves with parental information. The traits had coefficient of variation of 37 and 14%, respectively. The variation in both traits was affected by year and sex (male calves heavier) and by management factors, such as the age distribution of females and males. Early calving results from the use of older breeding males and is most apparent in prime age females. In both traits the heritability was moderate (0.23 and 0.24) with a high proportion of maternal genetic variation (0.23) in birth weight. The North Atlantic Oscillation (NAO) indices, summarizing the major weather conditions prior to rut, explained part of the annual variation in the traits. The amount of total genetic variation in relation to trait mean, or the evolvability, was 21% in birth date and 10% in birth weight indicating that selection could successfully be used to improve herd productivity and that the traits have substantial potential for adapting to possible changing environmental conditions. The results on genetic correlations imply that selection on calf’s birth weight leads on one hand to calves being born earlier and on the other hand to dams with later parturition. |
format |
Article in Journal/Newspaper |
author |
Muuttoranta, Kirsi Holand, Øystein Røed, Knut H. Tapio, Miika Nieminen, Mauri Mäki-Tanila, Asko |
author_facet |
Muuttoranta, Kirsi Holand, Øystein Røed, Knut H. Tapio, Miika Nieminen, Mauri Mäki-Tanila, Asko |
author_sort |
Muuttoranta, Kirsi |
title |
Genetic and environmental effects affecting the variation in birth date and birth weight of reindeer calves |
title_short |
Genetic and environmental effects affecting the variation in birth date and birth weight of reindeer calves |
title_full |
Genetic and environmental effects affecting the variation in birth date and birth weight of reindeer calves |
title_fullStr |
Genetic and environmental effects affecting the variation in birth date and birth weight of reindeer calves |
title_full_unstemmed |
Genetic and environmental effects affecting the variation in birth date and birth weight of reindeer calves |
title_sort |
genetic and environmental effects affecting the variation in birth date and birth weight of reindeer calves |
publisher |
Septentrio Academic Publishing |
publishDate |
2013 |
url |
https://septentrio.uit.no/index.php/rangifer/article/view/2598 https://doi.org/10.7557/2.33.1.2598 |
genre |
North Atlantic North Atlantic oscillation Rangifer Rangifer tarandus |
genre_facet |
North Atlantic North Atlantic oscillation Rangifer Rangifer tarandus |
op_source |
Rangifer; Årg 33 Nr 1 (2013); 25-35 Rangifer; Vol 33 No 1 (2013); 25-35 1890-6729 |
op_relation |
https://septentrio.uit.no/index.php/rangifer/article/view/2598/2942 https://septentrio.uit.no/index.php/rangifer/article/view/2598/4352 https://septentrio.uit.no/index.php/rangifer/article/view/2598/4353 https://septentrio.uit.no/index.php/rangifer/article/view/2598 doi:10.7557/2.33.1.2598 |
op_rights |
Copyright (c) 2015 Kirsi Muuttoranta, Øystein Holand, Knut H. Røed, Miika Tapio, Mauri Nieminen, Asko Mäki-Tanila http://creativecommons.org/licenses/by/3.0/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.7557/2.33.1.2598 |
container_title |
Rangifer |
container_volume |
33 |
container_issue |
1 |
container_start_page |
25 |
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1766132667066089472 |