Guosheng Su

Short communication: Improving accuracy of predicting breeding values in Brazilian Holstein population by adding data from Nordic and French Holstein populations

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Short communication : Improving accuracy of predicting breeding values in Brazilian Holstein population by adding data from Nordic and French Holstein populations. / Li, X.; Lund, M. S.; Zhang, Q.; Costa, C. N.; Ducrocq, V.; Su, G.

I: Journal of Dairy Science, Bind 99, Nr. 6, 74482, 01.06.2016, s. 4574-4579.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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@article{064133d4ba9747be9fc5f67154057d62,
title = "Short communication: Improving accuracy of predicting breeding values in Brazilian Holstein population by adding data from Nordic and French Holstein populations",
abstract = "The present study investigated the improvement of prediction reliabilities for 3 production traits in Brazilian Holsteins that had no genotype information by adding information from Nordic and French Holstein bulls that had genotypes. The estimated across-country genetic correlations (ranging from 0.604 to 0.726) indicated that an important genotype by environment interaction exists between Brazilian and Nordic (or Nordic and French) populations. Prediction reliabilities for Brazilian genotyped bulls were greatly increased by including data of Nordic and French bulls, and a 2-trait single-step genomic BLUP performed much better than the corresponding pedigree-based BLUP. However, only a minor improvement in prediction reliabilities was observed in nongenotyped Brazilian cows. The results indicate that although there is a large genotype by environment interaction, inclusion of a foreign reference population can improve accuracy of genetic evaluation for the Brazilian Holstein population. However, a Brazilian reference population is necessary to obtain a more accurate genomic evaluation.",
keywords = "BLUP, Genotype by environment interaction, Holstein population, Single-step genomic BLUP",
author = "X. Li and Lund, {M. S.} and Q. Zhang and Costa, {C. N.} and V. Ducrocq and G. Su",
year = "2016",
month = jun,
day = "1",
doi = "10.3168/jds.2015-10609",
language = "English",
volume = "99",
pages = "4574--4579",
journal = "Journal of Dairy Science",
issn = "0022-0302",
publisher = "Elsevier Inc.",
number = "6",

}

RIS

TY - JOUR

T1 - Short communication

T2 - Improving accuracy of predicting breeding values in Brazilian Holstein population by adding data from Nordic and French Holstein populations

AU - Li, X.

AU - Lund, M. S.

AU - Zhang, Q.

AU - Costa, C. N.

AU - Ducrocq, V.

AU - Su, G.

PY - 2016/6/1

Y1 - 2016/6/1

N2 - The present study investigated the improvement of prediction reliabilities for 3 production traits in Brazilian Holsteins that had no genotype information by adding information from Nordic and French Holstein bulls that had genotypes. The estimated across-country genetic correlations (ranging from 0.604 to 0.726) indicated that an important genotype by environment interaction exists between Brazilian and Nordic (or Nordic and French) populations. Prediction reliabilities for Brazilian genotyped bulls were greatly increased by including data of Nordic and French bulls, and a 2-trait single-step genomic BLUP performed much better than the corresponding pedigree-based BLUP. However, only a minor improvement in prediction reliabilities was observed in nongenotyped Brazilian cows. The results indicate that although there is a large genotype by environment interaction, inclusion of a foreign reference population can improve accuracy of genetic evaluation for the Brazilian Holstein population. However, a Brazilian reference population is necessary to obtain a more accurate genomic evaluation.

AB - The present study investigated the improvement of prediction reliabilities for 3 production traits in Brazilian Holsteins that had no genotype information by adding information from Nordic and French Holstein bulls that had genotypes. The estimated across-country genetic correlations (ranging from 0.604 to 0.726) indicated that an important genotype by environment interaction exists between Brazilian and Nordic (or Nordic and French) populations. Prediction reliabilities for Brazilian genotyped bulls were greatly increased by including data of Nordic and French bulls, and a 2-trait single-step genomic BLUP performed much better than the corresponding pedigree-based BLUP. However, only a minor improvement in prediction reliabilities was observed in nongenotyped Brazilian cows. The results indicate that although there is a large genotype by environment interaction, inclusion of a foreign reference population can improve accuracy of genetic evaluation for the Brazilian Holstein population. However, a Brazilian reference population is necessary to obtain a more accurate genomic evaluation.

KW - BLUP

KW - Genotype by environment interaction

KW - Holstein population

KW - Single-step genomic BLUP

UR - http://www.scopus.com/inward/record.url?scp=84962091241&partnerID=8YFLogxK

U2 - 10.3168/jds.2015-10609

DO - 10.3168/jds.2015-10609

M3 - Journal article

C2 - 27040784

AN - SCOPUS:84962091241

VL - 99

SP - 4574

EP - 4579

JO - Journal of Dairy Science

JF - Journal of Dairy Science

SN - 0022-0302

IS - 6

M1 - 74482

ER -