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47. | | AZEVEDO, C. F.; RESENDE, M. D. V. de; SILVA, F. F.; VIANA, J. M. S.; VALENTE, M. S. F.; RESENDE JUNIOR, M. F. R.; OLIVEIRA, E. J. de. New accuracy estimators for genomic selection with application in a cassava (Manihot esculenta) breeding program. Genetics and Molecular Research, v. 15, n. 4, gmr.15048838, Oct. 2016. Biblioteca(s): Embrapa Florestas; Embrapa Mandioca e Fruticultura. |
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48. | | SAWAZAKI, E.; GALLO, P. B.; CASTRO, J. L.; SAWAZAKI, H. E.; DUARTE, A.; VIANA, J. M. S.; MIRANDA, G. V.; PACHECO, C. A. P. Comportamento de genótipos de milho pipoca na região Centro-Sul do Estado de São Paulo. In: CONGRESSO NACIONAL DE MILHO E SORGO, 26.; SIMPÓSIO BRASILEIRO SOBRE A LAGARTA-DO-CARTUCHO, SPODOPTERA FRUGIPERDA, 2.; SIMPÓSIO SOBRE COLLETOTRICHUM GRAMINICOLA, 1., 2006, Belo Horizonte, Inovação para sistemas integrados de produção: trabalhos apresentados. [Sete Lagoas]: ABMS, 2006. 1 CD-ROM. Biblioteca(s): Embrapa Milho e Sorgo. |
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49. | | SAWAZAKI, E.; GALLO, P. B.; CASTRO, J. L.; SAWAZAKI, H. E.; DUARTE, A.; VIANA, J. M. S.; MIRANDA, G. V.; PACHECO, C. A. P. Comportamento de genótipos de milho pipoca na região Centro-Sul do Estado de São Paulo. In: CONGRESSO NACIONAL DE MILHO E SORGO, 26.; SIMPÓSIO BRASILEIRO SOBRE A LAGARTA-DO-CARTUCHO, SPODOPTERA FRUGIPERDA, 2.; SIMPÓSIO SOBRE COLLETOTRICHUM GRAMINICOLA, 1., 2006, Belo Horizonte. Inovação para sistemas integrados de produção: resumos. Sete Lagoas: ABMS: Embrapa Milho e Sorgo, 2006. p. 257. Biblioteca(s): Embrapa Milho e Sorgo. |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
13/02/2020 |
Data da última atualização: |
20/04/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
RAMOS, P. V. B.; SILVA, F. F. e; SILVA, L. O. C. da; SANTIAGO, G. G.; MENEZES, G. R. de O.; VIANA, J. M. S.; TORRES JUNIOR, R. A. de A.; GONDO, A.; LUIZ F. BRITO. |
Afiliação: |
Pedro Vital Brasil Ramos, Universidade Federal de Viçosa - UFV/Departamento de Ciência Animal; Fabyano Fonseca e Silva, Universidade Federal de Viçosa - UFV/Departamento de Ciência Animal; LUIZ OTAVIO CAMPOS DA SILVA, CNPGC; Gustavo Garcia Santiago, Universidade Federal de Mato Grosso do Sul - UFMS/Faculdade de Medicina Veterinária e Ciência Animal; GILBERTO ROMEIRO DE OLIVEIRA MENEZE, CNPGC; José Marcelo Soriano Viana, Universidade Federal de Viçosa - UFV/Departmento de Biologia; ROBERTO AUGUSTO DE A TORRES JUNIOR, CNPGC; ANDREA GONDO, CNPGC; Luiz F. Brito, Purdue University/Department of Animal Sciences. |
Título: |
Genomic evaluation for novel stayability traits in Nellore cattle. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Reproduction in Domestic Animals, v. 55, n. 3, p. 266-273, March 2020. |
Idioma: |
Inglês |
Conteúdo: |
Cow stayability plays a major role on the overall profitability of the beef cattle industry, as it is directly related to reproductive efficiency and cow's longevity. Stayability (STAY63) is usually defined as the ability of the cow to calve at least three times until 76 months of age. This is a late-measured and lowly heritable trait, which consequently constrains genetic progress per time unit. Thus, the use of genomic information associated with novel stayability traits measured earlier in life will likely result in higher prediction accuracy and faster genetic progress for cow longevity. In this study, we aimed to compare pedigree-based and single-step GBLUP (ssGBLUP) methods as well as to estimate genetic correlations between the proposed stayability traits: STAY42, STAY53 and S TAY64, which are measured at 52, 64 and 76 months of cow's age, considering at least 2, 3 and 4 calving, respectively. ssGBLUP yielded the highest prediction accuracy for all traits. The heritability estimates for STAY42, STAY53, STAY63 and STAY64 were 0.090, 0.151, 0.152 and 0.143, respectively. The genetic correlations between traits ranged from 0.899 (STAY42 and STAY53) to 0.985 (STAY53 and STAY63). The high genetic correlation between STAY42 and STAY53 suggests that besides being related to cow longevity, STAY53 is also associated with the early-stage reproductive efficiency. Thus, STAY53 is recommended as a suitable selection criterion for reproductive efficiency due to its higher heritability, favourable genetic correlation with other traits, and measured earlier in life, compared with the conventional stayability trait, that is STAY63. MenosCow stayability plays a major role on the overall profitability of the beef cattle industry, as it is directly related to reproductive efficiency and cow's longevity. Stayability (STAY63) is usually defined as the ability of the cow to calve at least three times until 76 months of age. This is a late-measured and lowly heritable trait, which consequently constrains genetic progress per time unit. Thus, the use of genomic information associated with novel stayability traits measured earlier in life will likely result in higher prediction accuracy and faster genetic progress for cow longevity. In this study, we aimed to compare pedigree-based and single-step GBLUP (ssGBLUP) methods as well as to estimate genetic correlations between the proposed stayability traits: STAY42, STAY53 and S TAY64, which are measured at 52, 64 and 76 months of cow's age, considering at least 2, 3 and 4 calving, respectively. ssGBLUP yielded the highest prediction accuracy for all traits. The heritability estimates for STAY42, STAY53, STAY63 and STAY64 were 0.090, 0.151, 0.152 and 0.143, respectively. The genetic correlations between traits ranged from 0.899 (STAY42 and STAY53) to 0.985 (STAY53 and STAY63). The high genetic correlation between STAY42 and STAY53 suggests that besides being related to cow longevity, STAY53 is also associated with the early-stage reproductive efficiency. Thus, STAY53 is recommended as a suitable selection criterion for reproductive efficiency due to its higher heritabil... Mostrar Tudo |
Palavras-Chave: |
Cow fertility; Genomic selection; Threshold model. |
Thesaurus NAL: |
Longevity; Reproductive traits. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/210769/1/Genomic-evaluation-for-novel.pdf
|
Marc: |
LEADER 02458naa a2200277 a 4500 001 2120235 005 2020-04-20 008 2020 bl uuuu u00u1 u #d 100 1 $aRAMOS, P. V. B. 245 $aGenomic evaluation for novel stayability traits in Nellore cattle.$h[electronic resource] 260 $c2020 520 $aCow stayability plays a major role on the overall profitability of the beef cattle industry, as it is directly related to reproductive efficiency and cow's longevity. Stayability (STAY63) is usually defined as the ability of the cow to calve at least three times until 76 months of age. This is a late-measured and lowly heritable trait, which consequently constrains genetic progress per time unit. Thus, the use of genomic information associated with novel stayability traits measured earlier in life will likely result in higher prediction accuracy and faster genetic progress for cow longevity. In this study, we aimed to compare pedigree-based and single-step GBLUP (ssGBLUP) methods as well as to estimate genetic correlations between the proposed stayability traits: STAY42, STAY53 and S TAY64, which are measured at 52, 64 and 76 months of cow's age, considering at least 2, 3 and 4 calving, respectively. ssGBLUP yielded the highest prediction accuracy for all traits. The heritability estimates for STAY42, STAY53, STAY63 and STAY64 were 0.090, 0.151, 0.152 and 0.143, respectively. The genetic correlations between traits ranged from 0.899 (STAY42 and STAY53) to 0.985 (STAY53 and STAY63). The high genetic correlation between STAY42 and STAY53 suggests that besides being related to cow longevity, STAY53 is also associated with the early-stage reproductive efficiency. Thus, STAY53 is recommended as a suitable selection criterion for reproductive efficiency due to its higher heritability, favourable genetic correlation with other traits, and measured earlier in life, compared with the conventional stayability trait, that is STAY63. 650 $aLongevity 650 $aReproductive traits 653 $aCow fertility 653 $aGenomic selection 653 $aThreshold model 700 1 $aSILVA, F. F. e 700 1 $aSILVA, L. O. C. da 700 1 $aSANTIAGO, G. G. 700 1 $aMENEZES, G. R. de O. 700 1 $aVIANA, J. M. S. 700 1 $aTORRES JUNIOR, R. A. de A. 700 1 $aGONDO, A. 700 1 $aLUIZ F. BRITO 773 $tReproduction in Domestic Animals$gv. 55, n. 3, p. 266-273, March 2020.
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