Genetic diversity and admixture among Canadian, Mountain and Moorland and Nordic pony populations
As part of the requirements of the Convention on Biological Diversity, Canada has been investigating the genetic diversity of its native equine and pony populations. Along with examining four indigenous Canadian equine populations (Canadian horse, Lac La Croix pony, Newfoundland pony and Sable Islan...
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ftdoajarticles:oai:doaj.org/article:0c8f9001b0874dd3859d9ab29b2d0555 2023-05-15T17:21:13+02:00 Genetic diversity and admixture among Canadian, Mountain and Moorland and Nordic pony populations J.M. Prystupa R. Juras E.G. Cothran F.C. Buchanan Y. Plante 2012-01-01T00:00:00Z https://doi.org/10.1017/S1751731111001212 https://doaj.org/article/0c8f9001b0874dd3859d9ab29b2d0555 EN eng Elsevier http://www.sciencedirect.com/science/article/pii/S1751731111001212 https://doaj.org/toc/1751-7311 1751-7311 doi:10.1017/S1751731111001212 https://doaj.org/article/0c8f9001b0874dd3859d9ab29b2d0555 Animal, Vol 6, Iss 1, Pp 19-30 (2012) genetics horse Canada microsatellite markers conservation Animal culture SF1-1100 article 2012 ftdoajarticles https://doi.org/10.1017/S1751731111001212 2022-12-31T05:32:24Z As part of the requirements of the Convention on Biological Diversity, Canada has been investigating the genetic diversity of its native equine and pony populations. Along with examining four indigenous Canadian equine populations (Canadian horse, Lac La Croix pony, Newfoundland pony and Sable Island population), another 10 Mountain and Moorland, three Nordic, four horse and two feral equine populations (thought to have influenced some pony breeds) were also investigated. In total, 821 individuals were genotyped at 38 microsatellite loci. Results of the analysis of molecular variance indicated that 13.3% of genetic diversity was explained by breed differences, whereas 84.6% and 2.1% of diversity came from within and among individuals, respectively. The average effective number of alleles and allelic richness was the lowest in the Eriskay (2.51 and 3.98) and Lac La Croix (2.83 and 4.01) populations, whereas it was highest in the New Forest (4.31 and 6.01) and Welsh (4.33 and 5.87) breeds, followed closely by the Newfoundland-CDN (4.23 and 5.86) population. Expected heterozygosities varied from 0.61 in the Lac La Croix to 0.74 in the Welsh and in Newfoundland. Observed heterozygosities ranged from 0.57 in the Exmoor and 0.58 in the Sable Island herd to 0.77 in the Kerry Bog and 0.76 in the New Forest breeds. Structure and admixture analyses revealed that the most likely number of clusters was 21, although some substructure was also observed whenK = 16, compared with the 24 predefined populations. Information gathered from this study should be combined with other available phenotypic and pedigree data to develop, or amend, a suitable conservation strategy for all populations examined. Article in Journal/Newspaper Newfoundland Directory of Open Access Journals: DOAJ Articles Canada Animal 6 1 19 30 |
institution |
Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
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language |
English |
topic |
genetics horse Canada microsatellite markers conservation Animal culture SF1-1100 |
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genetics horse Canada microsatellite markers conservation Animal culture SF1-1100 J.M. Prystupa R. Juras E.G. Cothran F.C. Buchanan Y. Plante Genetic diversity and admixture among Canadian, Mountain and Moorland and Nordic pony populations |
topic_facet |
genetics horse Canada microsatellite markers conservation Animal culture SF1-1100 |
description |
As part of the requirements of the Convention on Biological Diversity, Canada has been investigating the genetic diversity of its native equine and pony populations. Along with examining four indigenous Canadian equine populations (Canadian horse, Lac La Croix pony, Newfoundland pony and Sable Island population), another 10 Mountain and Moorland, three Nordic, four horse and two feral equine populations (thought to have influenced some pony breeds) were also investigated. In total, 821 individuals were genotyped at 38 microsatellite loci. Results of the analysis of molecular variance indicated that 13.3% of genetic diversity was explained by breed differences, whereas 84.6% and 2.1% of diversity came from within and among individuals, respectively. The average effective number of alleles and allelic richness was the lowest in the Eriskay (2.51 and 3.98) and Lac La Croix (2.83 and 4.01) populations, whereas it was highest in the New Forest (4.31 and 6.01) and Welsh (4.33 and 5.87) breeds, followed closely by the Newfoundland-CDN (4.23 and 5.86) population. Expected heterozygosities varied from 0.61 in the Lac La Croix to 0.74 in the Welsh and in Newfoundland. Observed heterozygosities ranged from 0.57 in the Exmoor and 0.58 in the Sable Island herd to 0.77 in the Kerry Bog and 0.76 in the New Forest breeds. Structure and admixture analyses revealed that the most likely number of clusters was 21, although some substructure was also observed whenK = 16, compared with the 24 predefined populations. Information gathered from this study should be combined with other available phenotypic and pedigree data to develop, or amend, a suitable conservation strategy for all populations examined. |
format |
Article in Journal/Newspaper |
author |
J.M. Prystupa R. Juras E.G. Cothran F.C. Buchanan Y. Plante |
author_facet |
J.M. Prystupa R. Juras E.G. Cothran F.C. Buchanan Y. Plante |
author_sort |
J.M. Prystupa |
title |
Genetic diversity and admixture among Canadian, Mountain and Moorland and Nordic pony populations |
title_short |
Genetic diversity and admixture among Canadian, Mountain and Moorland and Nordic pony populations |
title_full |
Genetic diversity and admixture among Canadian, Mountain and Moorland and Nordic pony populations |
title_fullStr |
Genetic diversity and admixture among Canadian, Mountain and Moorland and Nordic pony populations |
title_full_unstemmed |
Genetic diversity and admixture among Canadian, Mountain and Moorland and Nordic pony populations |
title_sort |
genetic diversity and admixture among canadian, mountain and moorland and nordic pony populations |
publisher |
Elsevier |
publishDate |
2012 |
url |
https://doi.org/10.1017/S1751731111001212 https://doaj.org/article/0c8f9001b0874dd3859d9ab29b2d0555 |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_source |
Animal, Vol 6, Iss 1, Pp 19-30 (2012) |
op_relation |
http://www.sciencedirect.com/science/article/pii/S1751731111001212 https://doaj.org/toc/1751-7311 1751-7311 doi:10.1017/S1751731111001212 https://doaj.org/article/0c8f9001b0874dd3859d9ab29b2d0555 |
op_doi |
https://doi.org/10.1017/S1751731111001212 |
container_title |
Animal |
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6 |
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1 |
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19 |
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30 |
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1766104705295974400 |