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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
13/02/2020 |
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Data da última atualização: |
20/04/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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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. |
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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. |
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Título: |
Genomic evaluation for novel stayability traits in Nellore cattle. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Reproduction in Domestic Animals, v. 55, n. 3, p. 266-273, March 2020. |
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Idioma: |
Inglês |
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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 |
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Palavras-Chave: |
Cow fertility; Genomic selection; Threshold model. |
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Thesaurus Nal: |
Longevity; Reproductive traits. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/210769/1/Genomic-evaluation-for-novel.pdf
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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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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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| Registros recuperados : 112 | |
| 83. |  | LEAL, T. M.; MEDEIROS, L. P.; GIRAO, E. S.; NASCIMENTO, M. do P. S. C. B. A produção de leite de cabras mestiças em pastagem cultivada. In: CONGRESSO BRASILEIRO DE MEDICINA VETERINARIA, 30.; CONGRESSO PANAMAZÔNICO DE MEDICINA VETERINÁRIA, 1.; CONGRESSO DO COLÉGIO BRASILEIRO DE AQUICULTURA (CBAq), 3.; ENCONTRO REGIONAL DE HIGIENISTAS DE ALIMENTOS, 1.; ENCONTRO DE ZOONOSES DOS ESTADOS PAÍSES AMAZÔNICOS EXPOCONBRAVET, 4., 2003., Manaus. Resumo dos trabalhos científicos. Manaus: SBMV, 2003. n. 096, 1 CD-ROM. Autoria na Publicação: Luiz Medeiros.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 90. | | MEDEIROS, L. P.; GIRAO, R. N.; GIRAO, E. S.; PIMENTEL, J. C. M.; RIBEIRO, V. Q. Producao de caprinos da raca Marota no Estado do Piaui. Ciencia Rural, Santa Maria, v. 23, n. 3, p. 357-362, 1993.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - C |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 91. | | PINHEIRO, R. R.; ALVES, F. S. F.; GIRAO, E. S.; MEDEIROS, L. P.; GIRAO, R. N. Presenca da artrite encefalite caprina (CAEV) em Teresina, Piaui. In: CONGRESSO BRASILEIRO DE MEDICINA VETERINARIA, 24., 1996, Goiania. Anais.... Goiania, 1996. p. 161.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 92. | | PINHEIRO, R. R.; ALVES, F. S. F.; GIRÃO, E. S.; MEDEIROS, L. P.; GIRÃO, R. N. Presença da artrite-encefalite caprina a vírus (CAEV) em Teresina, PI. In: CONGRESSO BRASILEIRO DE MEDICINA VETERINÁRIA, 24., 1996, Goiânia. Anais... Goiânia: Sociedade Goiana de Veterinária, 1996. p. 161. Resumo 325.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 100. | | GIRAO, R. N.; NASCIMENTO, H. T. S. do; VASCONCELOS, V. R.; MEDEIROS, L. P.; GIRAO, E. S. Puberdade de machos caprinos da raca Marota e de mesticos da raca Anglo-nubiana, no estado do Piaui. In: CONGRESSO BRASILEIRO DE MEDICINA VETERINARIA, 24., 1996, Goiania. Anais.... Goiania, 1996. p.576-578.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Caprinos e Ovinos; Embrapa Meio-Norte. |
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| Registros recuperados : 112 | |
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