Genetic diversity in oocyte donors used in in vitro bovine embryo production programs in Brazil

Background: Current reproductive management of bovine elite populations involves the use of assisted reproductive technologies (ARTs), aiming to obtain the greatest genetic gain. However, inadequate use of ARTs may lead to loss of genetic diversity in the offspring. Objective: To assess the genetic...

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Autores principales:	Wilder Hernando Ortiz Vega, Celia Raquel Quirino, Aylton Bartholazzi Junior, Clara Slade Oliveira, Raquel Varella Serapião, Caroline Marçal Gomes David, Miguel Alejandro Silva Rua, Ana Carolina Barros de Freitas
Formato:	article
Lenguaje:	EN
Publicado:	Universidad de Antioquia 2019
Materias:	allele frequencies heterozygosity inbreeding microsatellite markers oocyte Animal culture SF1-1100
Acceso en línea:	https://doaj.org/article/a2e7db896a294408b2df2a8bd702c5fc
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spelling	oai:doaj.org-article:a2e7db896a294408b2df2a8bd702c5fc2021-12-01T18:59:21ZGenetic diversity in oocyte donors used in in vitro bovine embryo production programs in Brazil2256-295810.17533/udea.rccp.v32n2a02https://doaj.org/article/a2e7db896a294408b2df2a8bd702c5fc2019-05-01T00:00:00Zhttps://revistas.udea.edu.co/index.php/rccp/article/view/336310https://doaj.org/toc/2256-2958Background: Current reproductive management of bovine elite populations involves the use of assisted reproductive technologies (ARTs), aiming to obtain the greatest genetic gain. However, inadequate use of ARTs may lead to loss of genetic diversity in the offspring. Objective: To assess the genetic diversity in elite female cattle populations used in commercial in vitro embryo production. Methods: Using genetic and ecological approaches for the study of populations based on microsatellite markers, we assessed the genetic diversity between and within populations of cows used in commercial in vitro embryo production programs in Brazil. Results: Endogamy within populations varied from zero to 9.1%, while heterozygosity between populations (FST) was <0.05 in the different population interactions. AMOVA showed 1% variation between populations, 8% between individuals and 91% within individuals. The dimensionality reduction method utilized indicated a lack of structure in the populations analyzed, identifying two main clusters in the three populations. Conclusions: Low genetic diversity between cow populations associated with commercial programs of in vitro embryo production in Brazil was evidenced. Variable levels of endogamy within the populations were observed. Approaches of population genetics as well as ecological diversity can be implemented to more thoroughly estimate genetic diversity in livestock populations.Wilder Hernando Ortiz VegaCelia Raquel QuirinoAylton Bartholazzi JuniorClara Slade OliveiraRaquel Varella SerapiãoCaroline Marçal Gomes DavidMiguel Alejandro Silva RuaAna Carolina Barros de FreitasUniversidad de Antioquiaarticleallele frequenciesheterozygosityinbreedingmicrosatellite markersoocyteAnimal cultureSF1-1100ENRevista Colombiana de Ciencias Pecuarias, Vol 32, Iss 2, Pp 90-99 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	allele frequencies heterozygosity inbreeding microsatellite markers oocyte Animal culture SF1-1100
spellingShingle	allele frequencies heterozygosity inbreeding microsatellite markers oocyte Animal culture SF1-1100 Wilder Hernando Ortiz Vega Celia Raquel Quirino Aylton Bartholazzi Junior Clara Slade Oliveira Raquel Varella Serapião Caroline Marçal Gomes David Miguel Alejandro Silva Rua Ana Carolina Barros de Freitas Genetic diversity in oocyte donors used in in vitro bovine embryo production programs in Brazil
description	Background: Current reproductive management of bovine elite populations involves the use of assisted reproductive technologies (ARTs), aiming to obtain the greatest genetic gain. However, inadequate use of ARTs may lead to loss of genetic diversity in the offspring. Objective: To assess the genetic diversity in elite female cattle populations used in commercial in vitro embryo production. Methods: Using genetic and ecological approaches for the study of populations based on microsatellite markers, we assessed the genetic diversity between and within populations of cows used in commercial in vitro embryo production programs in Brazil. Results: Endogamy within populations varied from zero to 9.1%, while heterozygosity between populations (FST) was <0.05 in the different population interactions. AMOVA showed 1% variation between populations, 8% between individuals and 91% within individuals. The dimensionality reduction method utilized indicated a lack of structure in the populations analyzed, identifying two main clusters in the three populations. Conclusions: Low genetic diversity between cow populations associated with commercial programs of in vitro embryo production in Brazil was evidenced. Variable levels of endogamy within the populations were observed. Approaches of population genetics as well as ecological diversity can be implemented to more thoroughly estimate genetic diversity in livestock populations.
format	article
author	Wilder Hernando Ortiz Vega Celia Raquel Quirino Aylton Bartholazzi Junior Clara Slade Oliveira Raquel Varella Serapião Caroline Marçal Gomes David Miguel Alejandro Silva Rua Ana Carolina Barros de Freitas
author_facet	Wilder Hernando Ortiz Vega Celia Raquel Quirino Aylton Bartholazzi Junior Clara Slade Oliveira Raquel Varella Serapião Caroline Marçal Gomes David Miguel Alejandro Silva Rua Ana Carolina Barros de Freitas
author_sort	Wilder Hernando Ortiz Vega
title	Genetic diversity in oocyte donors used in in vitro bovine embryo production programs in Brazil
title_short	Genetic diversity in oocyte donors used in in vitro bovine embryo production programs in Brazil
title_full	Genetic diversity in oocyte donors used in in vitro bovine embryo production programs in Brazil
title_fullStr	Genetic diversity in oocyte donors used in in vitro bovine embryo production programs in Brazil
title_full_unstemmed	Genetic diversity in oocyte donors used in in vitro bovine embryo production programs in Brazil
title_sort	genetic diversity in oocyte donors used in in vitro bovine embryo production programs in brazil
publisher	Universidad de Antioquia
publishDate	2019
url	https://doaj.org/article/a2e7db896a294408b2df2a8bd702c5fc
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Genetic diversity in oocyte donors used in in vitro bovine embryo production programs in Brazil

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