ArticleAnimal genetics2020
Dynamics of genomic architecture during composite breed development in cattle.
Article in Animal genetics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 39 citations in OpenAlex.
- Genomic architecture of non-nominal offspring risk in a simulated composite cattle breed.Genetics, selection, evolution : GSE · 2026Article
- Genomic analysis of breed composition and population structure in Montana composite cattle.Mammalian genome : official journal of the International Mammalian Genome Society · 2026Article
- Effect of founder breeds on genotype imputation accuracy in Canchim cattle.Journal of applied genetics · 2026Article
- A genome-wide assessment of the population structure of thirteen admixed and pure Australian beef cattle breeds.Journal of animal science · 2026Article
- Genomic diversity of Cameroonian Gudali and Gudali-cross cattle.Scientific reports · 2025Article
- Evaluation of crossbreeding strategies for improved adaptation and productivity in African smallholder cattle farms.Genetics, selection, evolution : GSE · 2025Article
- Breed-specific heterosis for growth and carcass traits in 18 U.S. cattle breeds.Journal of animal science · 2025Article
- Comparative assessment of the effective population size and linkage disequilibrium of Karan Fries cattle revealed viable population dynamics.Animal bioscience · 2024Article
- Assessment of genetic diversity and population structure of U.S. Polypay sheep from breed origins to future genomic selection.Frontiers in genetics · 2024Article
- Article
- A gene bank's collection of genetic diversity among minor chicken breeds.Poultry science · 2023Article
- Assessing Genomic Diversity and Signatures of Selection in Chinese Red Steppe Cattle Using High-Density SNP Array.Animals : an open access journal from MDPI · 2023Article
- Genomic adaptation to extreme climate conditions in beef cattle as a consequence of cross-breeding program.BMC genomics · 2023Article
- A look under the hood of genomic-estimated breed compositions for brangus cattle: What have we learned?Frontiers in genetics · 2023Article
- Genome and chromosome wide association studies for growth traits in Simmental and Simbrah cattle.Animal bioscience · 2023Article
- Correlation scan: identifying genomic regions that affect genetic correlations applied to fertility traits.BMC genomics · 2022Article
- Genetic architecture of a composite beef cattle population.Journal of animal science · 2022Article
- The Potential of Using Temperate-Tropical Crossbreds and Agricultural by-Products, Associated with Heat Stress Management for Dairy Production in the Tropics: A Review.Animals : an open access journal from MDPI · 2021Review
- Assessing the Genetic Background and Selection Signatures of Huaxi Cattle Using High-Density SNP Array.Animals : an open access journal from MDPI · 2021Article
- Evolution of the sheep industry and genetic research in the United States: opportunities for convergence in the twenty-first century.Animal genetics · 2021Review
Corrections and comments
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Authors and funding
8 authors at 5 institutions in 2 countries.
Funding
Abstract
Some livestock breeds face the challenge of reduced genetic variation, increased inbreeding depression owing to genetic drift and selection. Hybridization can reverse these processes and increase levels of productivity and adaptation to various environmental stressors. Samples from American Brangus were used to evaluate the indicine/taurine composition through nine generations (~45 years) after the hybridization process was completed. The purpose was to determine how hybridization alters allelic combinations of a breed over time when genetic factors such as selection and drift are operating. Furthermore, we explored genomic regions with deviations from the expected composition from the progenitor breeds and related these regions to traits under selection. The Brangus composition deviated from the theoretical expectation, defined by the breed association, of 62.5% taurine, showing taurine composition to be 70.4 ± 0.6%. Taurine and indicine proportion were not consistent across chromosomes. Furthermore, these non-uniform areas were found to be associated with traits that were probably under selection such as intermuscular fat and average daily gain. Interestingly, the sex chromosomes were predominantly taurine, which could be due to the composite being formed particularly in the final cross that resulted in progeny designated as purebred Brangus. This work demonstrated the process of new breed formation on a genomic level. It suggests that factors like genetic drift, selection and complementarity shift the genetic architecture into a uniquely different population. These findings are important to better understand how hybridization and crossbreeding systems shape the genetic architecture of composite populations.
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