An effective hyper-parameter can increase the prediction accuracy in a single-step genetic evaluation

M Neshat, S Lee, MM Momin, B Truong… - Frontiers in …, 2023 - frontiersin.org
The H-matrix best linear unbiased prediction (HBLUP) method has been widely used in
livestock breeding programs. It can integrate all information, including pedigree, genotypes …

[HTML][HTML] Comparison of genomic predictions for lowly heritable traits using multi-step and single-step genomic best linear unbiased predictor in Holstein cattle

AR Guarini, DAL Lourenco, LF Brito, M Sargolzaei… - Journal of dairy …, 2018 - Elsevier
The success and sustainability of a breeding program incorporating genomic information is
largely dependent on the accuracy of predictions. For low heritability traits, large training …

Comparing algorithms to approximate accuracies for single-step genomic best linear unbiased predictor

P Vital Brasil Ramos, A Garcia, K Retallik… - Journal of Animal …, 2024 - academic.oup.com
The exact accuracy of estimated breeding values can be calculated based on the prediction
error variances obtained from the diagonal of the inverse of the left-hand side (LHS) of the …

[HTML][HTML] Genomic selection through single-step genomic best linear unbiased prediction improves the accuracy of evaluation in Hanwoo cattle

MN Park, M Alam, S Kim, B Park, SH Lee… - … -Australasian journal of …, 2020 - ncbi.nlm.nih.gov
Objective Genomic selection (GS) is becoming popular in animals' genetic development.
We, therefore, investigated the single-step genomic best linear unbiased prediction …

Multi-Trait Bayesian Models Enhance the Accuracy of Genomic Prediction in Multi-Breed Reference Populations

W Li, M Zhang, H Du, J Wu, L Zhou, J Liu - Agriculture, 2024 - mdpi.com
Performing joint genomic predictions for multiple breeds (MBGP) to expand the reference
size is a promising strategy for improving the prediction for limited population sizes or …

Comparison of alternative approaches to single-trait genomic prediction using genotyped and non-genotyped Hanwoo beef cattle

J Lee, H Cheng, D Garrick, B Golden, J Dekkers… - Genetics Selection …, 2017 - Springer
Abstract Background Genomic predictions from BayesA and BayesB use training data that
include animals with both phenotypes and genotypes. Single-step methodologies allow …

Improving Genomic Predictions in Multi-Breed Cattle Populations: A Comparative Analysis of BayesR and GBLUP Models

H Ma, H Li, F Ge, H Zhao, B Zhu, L Zhang, H Gao, L Xu… - Genes, 2024 - mdpi.com
Numerous studies have shown that combining populations from similar or closely related
genetic breeds improves the accuracy of genomic predictions (GP). Extensive …

Crossbreed evaluations in single-step genomic best linear unbiased predictor using adjusted realized relationship matrices

DAL Lourenco, S Tsuruta, BO Fragomeni… - Journal of animal …, 2016 - academic.oup.com
Combining purebreed and crossbreed information is beneficial for genetic evaluation of
some livestock species. Genetic evaluations can use relationships based on genomic …

Efficient large-scale single-step evaluations and indirect genomic prediction of genotyped selection candidates

J Vandenplas, J Ten Napel, SN Darbaghshahi… - Genetics Selection …, 2023 - Springer
Background Single-step genomic best linear unbiased prediction (ssGBLUP) models allow
the combination of genomic, pedigree, and phenotypic data into a single model, which is …

Past, present, and future developments in single-step genomic models

M Bermann, A Cesarani, I Misztal… - Italian Journal of Animal …, 2022 - Taylor & Francis
Single-step genomic best linear unbiased predictor (ssGBLUP) is a methodology for
estimating breeding values jointly for genotyped and non-genotyped animals. Since its …