ArticleGenetics, selection, evolution : GSE2011
Breeding value prediction for production traits in layer chickens using pedigree or genomic relationships in a reduced animal model.
Article in Genetics, selection, evolution : GSE, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers.
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70 citing papers in PubMed.
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- Analysis of different genotyping and selection strategies in laying hen breeding programs.Genetics, selection, evolution : GSE · 2025Article
- Determining the priority semen characteristics and appropriate age for genetic improvement in Thai native roosters.PloS one · 2025Article
- Comparison of genomic prediction accuracy using different models for egg production traits in Taiwan country chicken.Poultry science · 2024Article
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- Delineating maternal influence in regulation of variance in major economic traits of White Leghorns: Bayesian insights.PloS one · 2024Article
- Comparison of accuracy of breeding value for cow from three methods in Hanwoo (Korean cattle) population.Journal of animal science and technology · 2023Article
- Welfare of ducks, geese and quail on farm.EFSA journal. European Food Safety Authority · 2023Article
- Haplotype blocks for genomic prediction: a comparative evaluation in multiple crop datasets.Frontiers in plant science · 2023Article
- First genomic prediction and genome-wide association for complex growth-related traits in Rock Bream (Evolutionary applications · 2022Article
- The long-term effects of genomic selection: 1. Response to selection, additive genetic variance, and genetic architecture.Genetics, selection, evolution : GSE · 2022Article
- Accuracy of genomic selection for reducing susceptibility to pendulous crop in turkey (Meleagris gallopavo).Poultry science · 2022Article
- Fourth Report on Chicken Genes and Chromosomes 2022.Cytogenetic and genome research · 2022Review
- Optimizing the Construction and Update Strategies for the Genomic Selection of Pig Reference and Candidate Populations in China.Frontiers in genetics · 2022Article
- Article
10 more citing papers are in PubMed but not listed here.
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12 authors.
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Abstract
backgroundGenomic selection involves breeding value estimation of selection candidates based on high-density SNP genotypes. To quantify the potential benefit of genomic selection, accuracies of estimated breeding values (EBV) obtained with different methods using pedigree or high-density SNP genotypes were evaluated and compared in a commercial layer chicken breeding line.
methodsThe following traits were analyzed: egg production, egg weight, egg color, shell strength, age at sexual maturity, body weight, albumen height, and yolk weight. Predictions appropriate for early or late selection were compared. A total of 2,708 birds were genotyped for 23,356 segregating SNP, including 1,563 females with records. Phenotypes on relatives without genotypes were incorporated in the analysis (in total 13,049 production records).The data were analyzed with a Reduced Animal Model using a relationship matrix based on pedigree data or on marker genotypes and with a Bayesian method using model averaging. Using a validation set that consisted of individuals from the generation following training, these methods were compared by correlating EBV with phenotypes corrected for fixed effects, selecting the top 30 individuals based on EBV and evaluating their mean phenotype, and by regressing phenotypes on EBV.
resultsUsing high-density SNP genotypes increased accuracies of EBV up to two-fold for selection at an early age and by up to 88% for selection at a later age. Accuracy increases at an early age can be mostly attributed to improved estimates of parental EBV for shell quality and egg production, while for other egg quality traits it is mostly due to improved estimates of Mendelian sampling effects. A relatively small number of markers was sufficient to explain most of the genetic variation for egg weight and body weight.
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