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Information Journal Paper

Title

Effect of Markers Effect Estimation Methods, Population Structure and Trait Architercture on the Accuracy of Genomic Breeding Values

Pages

  101-108

Abstract

 This study aimed to investigate the effect of the method of estimating the effects of markers, QTLs distribution, number of QTLs, effective population size and trait heritability on the accuracy of genomic predictions. Two effective population sizes, 100 and 500 individuals, were simulated by QMSim software. A 100 cM genome including one chromosome was simulated where 500 SNPs and two different numbers of QTLs (50 and 200) were distributed on it randomly. In this study three levels of heritability (0. 1, 0. 3 and 0. 5) were considered. Genomic breeding values were predicted using Bayesian ridge regression, BayesA, BayesB, BayesC, Bayesian LASSO, Reproducing kernel Hilbert space and neural networks. In this research, the accuracy of genomic breeding values were affected by trait heritability, effective population size, markers effect estimation methods, QTLs distribution and number of QTLs. The Bayes A and B had the highest accuracy while accuracy of neural networks method was the lowest. The accuracy of genomic breeding values were increased as the heritability of trait and number of QTLs increased while the accuracy was decreased as the effective population decreased. Considering the QTLs distribution, the highest accuracy was achieved when the QTLs distributed normally.

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    APA: Copy

    Atefi, Abbas, SHADPARVAR, ABDOLAHAD, & GHAVI HOSSEIN ZADEH, NAVID. (2021). Effect of Markers Effect Estimation Methods, Population Structure and Trait Architercture on the Accuracy of Genomic Breeding Values. RESEARCH ON ANIMAL PRODUCTION, 11(30 ), 101-108. SID. https://sid.ir/paper/408609/en

    Vancouver: Copy

    Atefi Abbas, SHADPARVAR ABDOLAHAD, GHAVI HOSSEIN ZADEH NAVID. Effect of Markers Effect Estimation Methods, Population Structure and Trait Architercture on the Accuracy of Genomic Breeding Values. RESEARCH ON ANIMAL PRODUCTION[Internet]. 2021;11(30 ):101-108. Available from: https://sid.ir/paper/408609/en

    IEEE: Copy

    Abbas Atefi, ABDOLAHAD SHADPARVAR, and NAVID GHAVI HOSSEIN ZADEH, “Effect of Markers Effect Estimation Methods, Population Structure and Trait Architercture on the Accuracy of Genomic Breeding Values,” RESEARCH ON ANIMAL PRODUCTION, vol. 11, no. 30 , pp. 101–108, 2021, [Online]. Available: https://sid.ir/paper/408609/en

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