Genomic diversity of beef cattle in Slovakia

Acta Fytotechnica et Zootechnica

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Field Value
 
Title Genomic diversity of beef cattle in Slovakia
 
Creator Lehocká, Kristína
Kasarda, Radovan
Olšanská, Barbora
Moravčíková, Nina
 
Description Received: 2020-10-22 Accepted: 2021-02-08 Available online: 2021-02-28https://doi.org/10.15414/afz.2021.24.mi-apa.11-14The aim of the study was to determine the state of genetic diversity in Charolais and Limousine populations. The analysis wasbased on the panel of 49 629 SNPs that were used for genotyping of 85 individuals. For the assessment of the genetic diversity,the genomic inbreeding coefficient resulting from runs of homozygosity distribution in the genome and linkage disequilibriumbased effective population size (Ne) were calculated. The results reflected a decrease in recent inbreeding (FROH >16 Mb under 1%)compared to historical (FROH >1 Mb in average 6%). The current effective population size was estimated based on the linear regressionusing Ne estimates for 50 generations ago. The effective population size across all analysed animals was 33.05 for Charolais breed(decrease of 4.51 animals per generation) and 7.02 for Limousine breed (decrease of 2.81 animals per generation). The estimationof current Ne indicated the endangered status of assessment populations and referred the need for continuous monitoring toincrease population size but without reducing genetic diversity as a result of inbreeding.Keywords: effective populations size, homozygosity, Charolais, inbreeding, LimousineReferenceAL-MAMUN, H.A. et al. (2015). Genome-wide linkage disequilibrium and genetic diversity in five populations of Australiandomestic sheep. Genetics Selection Evolution, 47(90). DOI: 10.1186/s12711-015-0169-6.BARBATO, M. et al. (2015). SNeP: a tool to estimate trends in recent effective population size trajectories using genome-wideSNP data. Front Genetics, 6, 109. DOI:10.3389/fgene.2015.00109.BOUQUET, A. et al. (2011). 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Publisher Acta Fytotechnica et Zootechnica
 
Contributor APVV-14-0054 and APVV-17-0060
 
Date 2021-02-26
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier http://www.acta.fapz.uniag.sk/journal/index.php/on_line/article/view/803
 
Source Acta Fytotechnica et Zootechnica; Vol 24 (2021): Actual Concepts in Agrobiology::Invited Editor: Ing. Jaroslav Andreji, PhD.
1336-9245
1336-9245
 
Language eng
 
Relation http://www.acta.fapz.uniag.sk/journal/index.php/on_line/article/view/803/pdf
 
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