Application of microsatellite markers for breeding and genetic conservation of herds of Pantaneiro sheep

Background The aim of the present study was to assess the genetic diversity of Pantaneiro sheep, using microsatellite markers, in order to assist maintenance and management plans, enhance mating systems and reduce the inbreeding rate. A total of 127 animals were genotyped at eight microsatellite loc...

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Autores principales:	Crispim,Bruno do Amaral, Seno,Leonardo de Oliveira, Egito,Andréa Alves do, Vargas Junior,Fernando Miranda de, Grisolia,Alexéia Barufatti
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso 2014
Materias:	Animal genetic resources Genetic diversity Kinship Locally adapted breed STR
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582014000600010
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spelling	oai:scielo:S0717-345820140006000102014-12-10Application of microsatellite markers for breeding and genetic conservation of herds of Pantaneiro sheepCrispim,Bruno do AmaralSeno,Leonardo de OliveiraEgito,Andréa Alves doVargas Junior,Fernando Miranda deGrisolia,Alexéia Barufatti Animal genetic resources Genetic diversity Kinship Locally adapted breed STR Background The aim of the present study was to assess the genetic diversity of Pantaneiro sheep, using microsatellite markers, in order to assist maintenance and management plans, enhance mating systems and reduce the inbreeding rate. A total of 127 animals were genotyped at eight microsatellite loci. They belonged to populations from the Experimental Farm of the Universidade Federal da Grande Dourados (UFGD) (Dourados/MS/Brazil) and Embrapa Pantanal (Corumbá/MS/Brazil). Results The population of Pantaneiro sheep from the UFGD exhibited a high mean number of alleles (11.13) and allelic richness (10.66). The polymorphic information content was highly informative in the locus studied, resulting in a mean value of 0.71. Observed heterozygosity was lower than expected for all molecular markers assessed. The analysis of molecular variance showed a differentiation rate of 5.2% between populations. Conclusions The results of the statistical parameters indicated that populations of Pantaneiro sheep require special attention on herd management, and it's further necessary to implement breeder exchange programs in order to preserve the genetic variability of these populations. Furthermore, the maintenance of those populations in their typical habitats is rather required to allow different responses from the herds to the interactions between genotype and environment.info:eu-repo/semantics/openAccessPontificia Universidad Católica de ValparaísoElectronic Journal of Biotechnology v.17 n.6 20142014-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582014000600010en10.1016/j.ejbt.2014.09.007
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Animal genetic resources Genetic diversity Kinship Locally adapted breed STR
spellingShingle	Animal genetic resources Genetic diversity Kinship Locally adapted breed STR Crispim,Bruno do Amaral Seno,Leonardo de Oliveira Egito,Andréa Alves do Vargas Junior,Fernando Miranda de Grisolia,Alexéia Barufatti Application of microsatellite markers for breeding and genetic conservation of herds of Pantaneiro sheep
description	Background The aim of the present study was to assess the genetic diversity of Pantaneiro sheep, using microsatellite markers, in order to assist maintenance and management plans, enhance mating systems and reduce the inbreeding rate. A total of 127 animals were genotyped at eight microsatellite loci. They belonged to populations from the Experimental Farm of the Universidade Federal da Grande Dourados (UFGD) (Dourados/MS/Brazil) and Embrapa Pantanal (Corumbá/MS/Brazil). Results The population of Pantaneiro sheep from the UFGD exhibited a high mean number of alleles (11.13) and allelic richness (10.66). The polymorphic information content was highly informative in the locus studied, resulting in a mean value of 0.71. Observed heterozygosity was lower than expected for all molecular markers assessed. The analysis of molecular variance showed a differentiation rate of 5.2% between populations. Conclusions The results of the statistical parameters indicated that populations of Pantaneiro sheep require special attention on herd management, and it's further necessary to implement breeder exchange programs in order to preserve the genetic variability of these populations. Furthermore, the maintenance of those populations in their typical habitats is rather required to allow different responses from the herds to the interactions between genotype and environment.
author	Crispim,Bruno do Amaral Seno,Leonardo de Oliveira Egito,Andréa Alves do Vargas Junior,Fernando Miranda de Grisolia,Alexéia Barufatti
author_facet	Crispim,Bruno do Amaral Seno,Leonardo de Oliveira Egito,Andréa Alves do Vargas Junior,Fernando Miranda de Grisolia,Alexéia Barufatti
author_sort	Crispim,Bruno do Amaral
title	Application of microsatellite markers for breeding and genetic conservation of herds of Pantaneiro sheep
title_short	Application of microsatellite markers for breeding and genetic conservation of herds of Pantaneiro sheep
title_full	Application of microsatellite markers for breeding and genetic conservation of herds of Pantaneiro sheep
title_fullStr	Application of microsatellite markers for breeding and genetic conservation of herds of Pantaneiro sheep
title_full_unstemmed	Application of microsatellite markers for breeding and genetic conservation of herds of Pantaneiro sheep
title_sort	application of microsatellite markers for breeding and genetic conservation of herds of pantaneiro sheep
publisher	Pontificia Universidad Católica de Valparaíso
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582014000600010
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_version_	1718441899920982016

Application of microsatellite markers for breeding and genetic conservation of herds of Pantaneiro sheep

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