Zobrazeno 1 - 10 of 34 pro vyhledávání: '"D. A. L. Lourenco"'
1
Technical note: Automatic scaling in single-step genomic BLUP
Autor: D. A. L. Lourenco, Ignacy Misztal, Matias Bermann
Publikováno v: Journal of Dairy Science. 104:2027-2031
Single-step genomic BLUP (ssGBLUP) requires compatibility between genomic and pedigree relationships for unbiased and accurate predictions. Scaling the genomic relationship matrix (G) to have the same averages as the pedigree relationship matrix (i.e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba4f69c3b83972f05d4893fa78dfbd37
https://doi.org/10.3168/jds.2020-18969
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2
Investigating conception rate for beef service sires bred to dairy cows and heifers
Autor: Paul M. VanRaden, John B. Cole, J.L. Hutchison, D. A. L. Lourenco, H.D. Norman, T.M. McWhorter, G.C. Fok
Publikováno v: Journal of Dairy Science. 103:10374-10382
The widespread use of sexed semen on US dairy cows and heifers has led to an excess of replacement heifers' calves, and the sale prices for those calves are much lower than in the past. Females not selected to produce the next generation of replaceme
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::934a3566de09451907c1a7b82d9d9d43
https://doi.org/10.3168/jds.2020-18399
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4
Single-step genome-wide association for longitudinal traits of Canadian Ayrshire, Holstein, and Jersey dairy cattle
Autor: Flavio S Schenkel, Janusz Jamrozik, Luiz F. Brito, Yutaka Masuda, Hinayah R. Oliveira, Shogo Tsuruta, John P. Cant, D. A. L. Lourenco, F. F. e Silva, Ignacy Misztal
Publikováno v: Journal of Dairy Science. 102:9995-10011
Estimating single nucleotide polymorphism (SNP) effects over time is essential to identify and validate candidate genes (or quantitative trait loci) associated with time-dependent variation of economically important traits and to better understand th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::534fe22e1927c6fd6eb590435b5402f8
https://doi.org/10.3168/jds.2019-16821
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5
Genome-wide association for milk production traits and somatic cell score in different lactation stages of Ayrshire, Holstein, and Jersey dairy cattle
Autor: Hinayah R. Oliveira, Flavio S Schenkel, John P. Cant, Pablo A. S. Fonseca, T.C.S. Chud, Janusz Jamrozik, F. F. e Silva, Fabieli Loise Braga Feitosa, Luiz F. Brito, D. A. L. Lourenco
Publikováno v: Journal of Dairy Science. 102:8159-8174
We performed genome-wide association analyses for milk, fat, and protein yields and somatic cell score based on lactation stages in the first 3 parities of Canadian Ayrshire, Holstein, and Jersey cattle. The genome-wide association analyses were perf
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7c5a09ddc4ea6d7d78b9d76d060383c
https://doi.org/10.3168/jds.2019-16451
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6
Use of a single-step approach for integrating foreign information into national genomic evaluation in Holstein cattle
Autor: Christine F. Baes, Filippo Miglior, D. A. L. Lourenco, Ignacy Misztal, A.R. Guarini, Mehdi Sargolzaei, Flavio S Schenkel, Luiz F. Brito, Shogo Tsuruta
Publikováno v: Journal of Dairy Science. 102:8175-8183
The use of multi-trait across-country evaluation (MACE) and the exchange of genomic information among countries allows national breeding programs to combine foreign and national data to increase the size of the training populations and potentially in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18e854c283fc35edd39c8f7688b9e1e2
https://doi.org/10.3168/jds.2018-15819
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7
Optimal definition of contemporary groups for crossbred pigs in a joint purebred and crossbred genetic evaluation
Autor: Bruno Valente, Ignacy Misztal, Yvette Steyn, W. O. Herring, J. Holl, D. A. L. Lourenco, Ching-Yi Chen
Publikováno v: Journal of Animal Science
In the pig industry, purebred animals are raised in nucleus herds and selected to produce crossbred progeny to perform in commercial environments. Crossbred and purebred performances are different, correlated traits. All purebreds in a pen have their
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4df0edaa24a002278db5801678161730
https://pubmed.ncbi.nlm.nih.gov/33313883
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9
Bias in genomic predictions by mating practices for linear type traits in a large-scale genomic evaluation
Autor: Shogo Tsuruta, D. A. L. Lourenco, Ignacy Misztal, T.J. Lawlor
Publikováno v: Journal of dairy science. 104(1)
The objective of this study was to clarify how bias in genomic predictions is created by investigating a relationship among selection intensity, a change in heritability (Δh2), and assortative mating (ASM). A change in heritability, resulting from s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1144e8b141effbcc00d5ecc1af6a8925
https://pubmed.ncbi.nlm.nih.gov/33162076
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10
Technical note: Impact of pedigree depth on convergence of single-step genomic BLUP in a purebred swine population1
Autor: D. A. L. Lourenco, H. L. Bradford, Ignacy Misztal, Ching-Yi Chen, Ivan Pocrnic
Publikováno v: Journal of Animal Science. 95:3391-3395
In genomic evaluations, it is desirable to have low computing cost while retaining high accuracy of evaluation for young animals. When the population is large but only few animals have phenotypes, especially for low heritability traits, the convergen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ef290164fd6a2e10602844cf22cb9b5
https://doi.org/10.2527/jas.2017.1581
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