ArticleGenetics, selection, evolution : GSE2019
The impact of genomic selection on genetic diversity and genetic gain in three French dairy cattle breeds.
Article in Genetics, selection, evolution : GSE, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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49 citing papers in PubMed.
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- Application of Genomic Random Regression Models for Genetic Parameter Estimations of Female Fertility Traits in Different Parities in German Holsteins.Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie · 2026Article
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- Genetic diversity and population structure of U.S. Suffolk sheep participating in the national sheep improvement program.Genetics, selection, evolution : GSE · 2026Article
- Optimising the Use of Cryopreserved Genetic Resources for the Selection and Conservation of Animal Populations.Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie · 2026Article
- Consequences of ignoring dominance genetic effects from genomic selection model for discrete threshold traits.Scientific reports · 2025Article
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- Genomic selection: Essence, applications, and prospects.The plant genome · 2025Review
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- Bovine Congenital Defects Recorded in a National Survey of Dairy and Beef Herds Over Ten Years (2014-2023).Reproduction in domestic animals = Zuchthygiene · 2025Article
- Four Target Resequencing for the Bovine Major Histocompatibility Complex Region. Proof of Concept.HLA · 2025Article
- Reproductive Performance, Inbreeding, and Genetic Diversity in Montbeliarde Dairy Cattle Obtained by Absorption Crossing.Animals : an open access journal from MDPI · 2025Article
- Applying the algorithm for Proven and young in GWAS Reveals high polygenicity for key traits in Nellore cattle.Frontiers in genetics · 2025Article
- Ecuadorian Holstein-Friesian cattle paternal lineages: Demographic structure, inbreeding evolution, and genetic diversity.PloS one · 2025Article
- Evolution of Population Structure, Reproductive Performance, Inbreeding, and Genetic Diversity in Ecuadorian Charolais Cattle.Veterinary sciences · 2024Article
- Article
- Improving the accuracy of genomic prediction in dairy cattle using the biologically annotated neural networks framework.Journal of animal science and biotechnology · 2024Article
- Genetic Variation and Composition of Two Commercial Estonian Dairy Cattle Breeds Assessed by SNP Data.Animals : an open access journal from MDPI · 2024Article
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8 authors.
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Abstract
backgroundIn France, implementation of genomic evaluations in dairy cattle breeds started in 2009 and this has modified the breeding schemes drastically. In this context, the goal of our study was to understand the impact of genomic selection on the genetic diversity of bulls from three French dairy cattle breeds born between 2005 and 2015 (Montbéliarde, Normande and Holstein) and the factors that are involved.
methodsWe compared annual genetic gains, inbreeding rates based on runs of homozygosity (ROH) and pedigree data, and mean ROH length within breeds, before and after the implementation of genomic selection.
resultsGenomic selection induced an increase in mean annual genetic gains of 50, 71 and 33% for Montbéliarde, Normande and Holstein bulls, respectively, and in parallel, the generation intervals were reduced by a factor of 1.7, 1.9 and 2, respectively. We found no significant change in inbreeding rate for the two national breeds, Montbéliarde and Normande, and a significant increase in inbreeding rate for the Holstein international breed, which is now as high as 0.55% per year based on ROH and 0.49% per year based on pedigree data (equivalent to a rate of 1.36 and 1.39% per generation, respectively). The mean ROH length was longer for bulls from the Holstein breed than for those from the other two breeds.
conclusionsWith the implementation of genomic selection, the annual genetic gain increased for bulls from the three major French dairy cattle breeds. At the same time, the annual loss of genetic diversity increased for Holstein bulls, possibly because of the massive use of a few elite bulls in this breed, but not for Montbéliarde and Normande bulls. The increase in mean ROH length in Holstein may reflect the occurrence of recent inbreeding. New strategies in breeding schemes, such as female donor stations and embryo transfer, and recent implementation of genomic evaluations in small regional breeds should be studied carefully in order to ensure the sustainability of breeding schemes in the future.
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