Genetic characterization of the Spanish Trotter horse breed using microsatellite markers

To assist in selection schemes we carried out the first genetic characterization of the Spanish Trotter horse (Trotador Español). We used 16 microsatellite markers to genotype 40 unrelated Spanish trotters, 25 native Balearic horses (11 Menorquina and 14 Mallorquina horses) and 32 Andalusian horses....

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Main Authors: Pedro Javier Azor, Mercedes Valera, María Dolores Gómez, Félix Goyache, Antonio Molina
Format: Article
Language:English
Published: Sociedade Brasileira de Genética 2007-01-01
Series:Genetics and Molecular Biology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000100009
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author Pedro Javier Azor
Mercedes Valera
María Dolores Gómez
Félix Goyache
Antonio Molina
author_facet Pedro Javier Azor
Mercedes Valera
María Dolores Gómez
Félix Goyache
Antonio Molina
author_sort Pedro Javier Azor
collection DOAJ
description To assist in selection schemes we carried out the first genetic characterization of the Spanish Trotter horse (Trotador Español). We used 16 microsatellite markers to genotype 40 unrelated Spanish trotters, 25 native Balearic horses (11 Menorquina and 14 Mallorquina horses) and 32 Andalusian horses. The observed heterozygosity for the Spanish Trotters was 0.647 ± 0.037 and the expected heterozygosity was 0.696 ± 0.026 while the average number of alleles per locus was 6.0 ± 0.341, these values being similar to the data published for other horse breeds. We also tried to establish the importance of the Mallorquina and Menorquina breeds in the present Spanish Trotter population. Only 9% of the total genetic variability could be attributed to differences between breeds (mean F ST = 0.09 ± 0.010). Recent migration rates were confirmed the low recent genetic relationship between the Balearic breeds and Spanish Trotters, indicating that the genetic background of the present Spanish Trotter population is not based on the native Balearic horse population.
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spelling doaj.art-403538ff184f4da8b002b7c86b941d9e2022-12-22T01:15:00ZengSociedade Brasileira de GenéticaGenetics and Molecular Biology1415-47571678-46852007-01-01301374210.1590/S1415-47572007000100009Genetic characterization of the Spanish Trotter horse breed using microsatellite markersPedro Javier AzorMercedes ValeraMaría Dolores GómezFélix GoyacheAntonio MolinaTo assist in selection schemes we carried out the first genetic characterization of the Spanish Trotter horse (Trotador Español). We used 16 microsatellite markers to genotype 40 unrelated Spanish trotters, 25 native Balearic horses (11 Menorquina and 14 Mallorquina horses) and 32 Andalusian horses. The observed heterozygosity for the Spanish Trotters was 0.647 ± 0.037 and the expected heterozygosity was 0.696 ± 0.026 while the average number of alleles per locus was 6.0 ± 0.341, these values being similar to the data published for other horse breeds. We also tried to establish the importance of the Mallorquina and Menorquina breeds in the present Spanish Trotter population. Only 9% of the total genetic variability could be attributed to differences between breeds (mean F ST = 0.09 ± 0.010). Recent migration rates were confirmed the low recent genetic relationship between the Balearic breeds and Spanish Trotters, indicating that the genetic background of the present Spanish Trotter population is not based on the native Balearic horse population.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000100009horseSpanish Trotter breedmicrosatellitesgenetic diferenciationmigration rates
spellingShingle Pedro Javier Azor
Mercedes Valera
María Dolores Gómez
Félix Goyache
Antonio Molina
Genetic characterization of the Spanish Trotter horse breed using microsatellite markers
Genetics and Molecular Biology
horse
Spanish Trotter breed
microsatellites
genetic diferenciation
migration rates
title Genetic characterization of the Spanish Trotter horse breed using microsatellite markers
title_full Genetic characterization of the Spanish Trotter horse breed using microsatellite markers
title_fullStr Genetic characterization of the Spanish Trotter horse breed using microsatellite markers
title_full_unstemmed Genetic characterization of the Spanish Trotter horse breed using microsatellite markers
title_short Genetic characterization of the Spanish Trotter horse breed using microsatellite markers
title_sort genetic characterization of the spanish trotter horse breed using microsatellite markers
topic horse
Spanish Trotter breed
microsatellites
genetic diferenciation
migration rates
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000100009
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