| |
|
|
| Registros recuperados : 374 | |
| 82. |  | GUIMARÃES, L. S.; MAGNABOSCO, C. de U.; CASTRO, L. M.; MOREIRA, L. DA C.; MENDANHA, K. S.; NAKAGAWA, A. F. Estimativas de (co)variância e parâmetros genéticos para pesos padronizados aos 365, 450 e 550 dias de idade em bovinos Nelore Mocho. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 49., 2012, Brasília. A produção animal no mundo em transformação: anais. Brasília, DF: SBZ, 2012. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
|    |
| 86. | | FALCAO, A. J. da S.; MARTINS FILHO, R.; MAGNABOSCO, C. de U.; BOZZI, R.; LIMA, F. de A. M. Efeitos da endogamia sobre caracteristicas de reproducao, crescimento e valores geneticos aditivos de bovinos da raca Pardo-Suica. Revista Brasileira de Zootecnia, Vicosa, v. 30, n. 1, p. 83-92, 2001.| Biblioteca(s): Embrapa Cerrados. |
| |
| 87. | | FERREIRA, A. S; RAZOOK, A. G.; MAGNABOSCO, C. de U.; TROVO, J. B. F.; CORDEIRO, C. T. Estudo da estrutura familiar em um rebanho da raca Nelore na Estacao Experimental de Sertaozinho. In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 31., 1994, Maringa, PR. Anais... Maringa: Sociedade Brasileira de Zootecnia, 1994. p.149. Resumo.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
|  |
| 88. | | MENDANHA, K. S.; MAGNABOSCO, C. de U.; LOPES, F. B.; CASTRO, L. M.; FERREIRA, L. G. B.; GUIMARÃES, L. S. Estudo genético quantitativo de características relacionadas à velocidade de crescimento de bovinos Nelore Mocho. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 49., 2012, Brasília. A produção animal no mundo em transformação: anais. Brasília, DF: SBZ, 2012. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
| |
| 89. | | CARVALHO, J. C. M.; MAGNABOSCO, C. de U.; CORDEIRO, C. T.; LOS REYES, A.; LOBO, R. B. Estrutura familiar de um rebanho da raca Nelore: germoplasma puro de origem importada. In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 31., 1994, Maringa, PR. Anais... Maringa: Sociedade Brasileira de Zootecnia, 1994. p.147. Resumo| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
| |
| 92. | | REZENDE, L. O. F.; JUNG, L. C. S.; MAGNABOSCO, C. de U.; LOPES, F. B.; MAMEDE, M. M. Efeito da idade da vaca sobre intervalo de partos e fertilidade real de vacas da raça Nelore. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 49., 2012, Brasília. A produção animal no mundo em transformação: anais. Brasília, DF: SBZ, 2012. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
| |
| 93. | | JUNG, L. C. S.; REZENDE, L. O. F.; MAGNABOSCO, C. de U.; LOPES, F. B.; MAMEDE, M. M. Efeito da idade da vaca sobre peso ao nascimento calculado aos 120 e 210 dias de idade de um rebanho de bovinos da raça Nelore. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 49., 2012, Brasília. A produção animal no mundo em transformação: anais. Brasília, DF: SBZ, 2012. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
| |
| 95. | | MAGNABOSCO, C. de U.; FARIA, C. U; LOS REYES, A. de; LOBO, R. B.; SAINZ, R. D. Interferencia bayesiana para peso ao desmame em bovinos da raca nelore. In: REUNION DE LA ASOCIACION LATINOAMERICANA DE PRODUCCION ANIMAL, 17.; REUNION DE LA ASOCIACION CUBANA DE PRODUCCION ANIMAL, 9.; ENCUENTRO REGIONAL SOBRE NUTRICION Y PRODUCCION DE ANIMALES MONOGASTRICOS, 6.; ENCUENTRO REGIONAL SOBRE TRANSFERENCIA DE TECNOLOGIA EN LA PRODUCCION ANIMAL TROPICAL, 1., 2001, La Habana, Cuba. Programa - resumenes. La Habana: ACPA, 2001.| Biblioteca(s): Embrapa Cerrados. |
| |
| 96. | | BARBOSA, V.; KLUTHCOUSKI, J.; MUNIZ, L. C.; MAGNABOSCO, C. de U.; TROVO, J. B. de F.; OLIVEIRA, P. de. Integração lavoura-pecuária: principais benefícios da lavoura para a pecuária. In: WORKSHOP EM INTEGRAÇÃO LAVOURA-PECUÁRIA: CONCEITOS E SUSTENTABILIDADE, 1., 2007, Jataí. Anais... Jataí: Universidade Federal de Goiás, 2007. p. 50-74. Editores: Vera Lúcia Banys, Ana Luisa Aguiar de Castro, Edgar Alain Collao Saenz, Hildeu Ferreira de Assunção, Marco Aurélio Carbone Carneiro.| Biblioteca(s): Embrapa Arroz e Feijão; Embrapa Cerrados. |
| |
| 97. | | BARBOSA, V.; KLUTHCOUSKI, J.; MUNIZ, L. C.; MAGNABOSCO, C. de U.; TROVO, J. B. de F.; OLIVEIRA, P. de. Integração lavoura-pecuária: principais benefícios da lavoura para a pecuária. In: WORKSHOP EM INTEGRAÇÃO LAVOURA-PECUÁRIA: CONCEITOS E SUSTENTABILIDADE, 1., 2007, Jataí. Anais... Jataí: Universidade Federal de Goiás, 2007. p. 50-74. Editores: Vera Lúcia Banys, Ana Luisa Aguiar de Castro, Edgar Alain Collao Saenz, Hildeu Ferreira de Assunção, Marco Aurélio Carbone Carneiro.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
| |
| 98. | | BARBOSA, V.; KLUTHCOUSKI, J.; MUNIZ, L. C.; MAGNABOSCO, C. de U.; TROVO, J. B. de F.; OLIVEIRA, P. de. Integración agricultura ganadería: principales beneficios de la agricultura para la pecuaria. In: CONGRESO INTERNACIONAL DE TRANSFERENCIA DE TECNOLOGÍA AGROPECUARIA DEL CONSORCIO DE GANADEROS PARA EXPERIMENTACIÓN AGROPECUARIA, 15., 2007, Asunción, Paraguay. Invernada. Asunción: Consorcio de Ganaderos para Experimentación Agropecuaria, 2007. p. 101-152. CEA 2007.| Biblioteca(s): Embrapa Arroz e Feijão; Embrapa Cerrados. |
| |
| 99. | | BARBOSA, V.; KLUTHCOUSKI, J.; MUNIZ, L. C.; MAGNABOSCO, C. de U.; TROVO, J. B. de F.; OLIVEIRA, P. de. Integración agricultura ganadería: principales beneficios de la agricultura para la pecuaria. In: CONGRESO INTERNACIONAL DE TRANSFERENCIA DE TECNOLOGÍA AGROPECUARIA DEL CONSORCIO DE GANADEROS PARA EXPERIMENTACIÓN AGROPECUARIA, 15., 2007, Asunción, Paraguay. Invernada. Asunción: Consorcio de Ganaderos para Experimentación Agropecuaria, 2007. p. 101-152. CEA 2007.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 100. | | LOPES, F. B.; MAGNABOSCO, C. de U.; PAULINI, F.; SILVA, M. C.; MIYAGI, E. S.; LÔBO, R. B. Genetic analysis of growth traits in polled Nellore cattle raised on pasture in tropical region using bayesian approaches. Plos one, v. 8, n. 9, e75423, 2013.| Biblioteca(s): Embrapa Cerrados. |
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| Registros recuperados : 374 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
27/01/2016 |
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Data da última atualização: |
27/01/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
YOKOO, M. J. I.; LÔBO, R. B.; MAGNABOSCO, C. de U.; ROSA, G. J. M.; FORNI, S.; SAINZ, R. D.; ALBUQUERQUE, L. G. |
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Afiliação: |
MARCOS JUN ITI YOKOO, CPPSUL; R. B. Lôbo, Associação Nacional de Criadores e Pesquisadores; CLAUDIO DE ULHOA MAGNABOSCO, CPAC; G. J. M. Rosa, University of Wisconsin; S. Forni, Dow AgroSciences; R. D. Sainz, University of California; L. G. Albuquerque, UNESP. |
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Título: |
Genetic correlation of traits measured by ultrasound at yearling and 18 months of age in Nellore beef cattle. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Livestock Science, v. 180, p. 34-40, Oct. 2015. |
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DOI: |
10.1016/j.livsci.2015.07.003 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to estimate genetic parameters for carcass traits measured by ultrasound at yearling (Y) and 18 months of age (post-yearling, PY) in order to identify the most appropriate age for the measurement of these traits used for the selection of Nellore beef cattle. In addition, genetic correlations were estimated between these carcass traits and between carcass and other economically important traits such as scrotal circumference, weight, hip height at 18 months of age, age at first calving, and first calving interval (FCI). The carcass traits were longissimus muscle area (LMA), backfat thickness (BF), and rump fat thickness (RF) recorded at two different ages (Y and PY). Gibbs sampling was applied to estimate the genetic parameters using multiple trait animal model. The estimates of posterior heritabilities and standard deviations (SD) for the carcass traits were 0.46, SD=0.06 (LMA_Y), 0.42, SD=0.07 (BF_Y), 0.60, SD=0.09 (RF_Y), 0.33, SD=0.06 (LMA_PY), 0.59, SD=0.08 (BF_PY), and 0.55, SD=0.09 (RF_PY). The genetic parameters obtained in this study suggest the existence of genetic variability in all carcass traits at both ages. Hip height was negatively correlated with BF_PY and RF_PY, indicating that selection of taller animals may lead to animals that will deposit less subcutaneous fat. Selection for growth and carcass traits will not affect FCI, except for an increase in BF_PY which will increase FCI in the long term, possibly due to a correlated response, once the genetic correlation is moderate (0.40, SD= 0.17), and the posterior heritability for FCI was relatively low (0.11, SD= 0.03). The traits LMA, BF and RF measured at Y and at PY are practically the same traits since the genetic correlation are 0.83 (SD= 0.06), 0.94 (SD= 0.02) and 0.72 (SD= 0.07), respectively. In conclusion, ultrasound carcass traits should respond rapidly to selection and can be recorded only in one age, at Y or at PY. Furthermore, there is no need to include the two subcutaneous fat thickness measures (BF and RF) in selection criteria since they are highly genetic correlated. Genetic progress for these carcass traits can be achieved without affecting the breeding value of animals for other economic traits, since the most of genetic correlation estimates are favorable and of low magnitude. MenosThe objective of this study was to estimate genetic parameters for carcass traits measured by ultrasound at yearling (Y) and 18 months of age (post-yearling, PY) in order to identify the most appropriate age for the measurement of these traits used for the selection of Nellore beef cattle. In addition, genetic correlations were estimated between these carcass traits and between carcass and other economically important traits such as scrotal circumference, weight, hip height at 18 months of age, age at first calving, and first calving interval (FCI). The carcass traits were longissimus muscle area (LMA), backfat thickness (BF), and rump fat thickness (RF) recorded at two different ages (Y and PY). Gibbs sampling was applied to estimate the genetic parameters using multiple trait animal model. The estimates of posterior heritabilities and standard deviations (SD) for the carcass traits were 0.46, SD=0.06 (LMA_Y), 0.42, SD=0.07 (BF_Y), 0.60, SD=0.09 (RF_Y), 0.33, SD=0.06 (LMA_PY), 0.59, SD=0.08 (BF_PY), and 0.55, SD=0.09 (RF_PY). The genetic parameters obtained in this study suggest the existence of genetic variability in all carcass traits at both ages. Hip height was negatively correlated with BF_PY and RF_PY, indicating that selection of taller animals may lead to animals that will deposit less subcutaneous fat. Selection for growth and carcass traits will not affect FCI, except for an increase in BF_PY which will increase FCI in the long term, possibly due to a correlated r... Mostrar Tudo |
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Palavras-Chave: |
Ultra-Som. |
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Thesagro: |
Carcaça; Gado de corte. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 03033naa a2200241 a 4500
001 2035334
005 2016-01-27
008 2015 bl --- 0-- u #d
024 7 $a10.1016/j.livsci.2015.07.003$2DOI
100 1 $aYOKOO, M. J. I.
245 $aGenetic correlation of traits measured by ultrasound at yearling and 18 months of age in Nellore beef cattle.
260 $c2015
520 $aThe objective of this study was to estimate genetic parameters for carcass traits measured by ultrasound at yearling (Y) and 18 months of age (post-yearling, PY) in order to identify the most appropriate age for the measurement of these traits used for the selection of Nellore beef cattle. In addition, genetic correlations were estimated between these carcass traits and between carcass and other economically important traits such as scrotal circumference, weight, hip height at 18 months of age, age at first calving, and first calving interval (FCI). The carcass traits were longissimus muscle area (LMA), backfat thickness (BF), and rump fat thickness (RF) recorded at two different ages (Y and PY). Gibbs sampling was applied to estimate the genetic parameters using multiple trait animal model. The estimates of posterior heritabilities and standard deviations (SD) for the carcass traits were 0.46, SD=0.06 (LMA_Y), 0.42, SD=0.07 (BF_Y), 0.60, SD=0.09 (RF_Y), 0.33, SD=0.06 (LMA_PY), 0.59, SD=0.08 (BF_PY), and 0.55, SD=0.09 (RF_PY). The genetic parameters obtained in this study suggest the existence of genetic variability in all carcass traits at both ages. Hip height was negatively correlated with BF_PY and RF_PY, indicating that selection of taller animals may lead to animals that will deposit less subcutaneous fat. Selection for growth and carcass traits will not affect FCI, except for an increase in BF_PY which will increase FCI in the long term, possibly due to a correlated response, once the genetic correlation is moderate (0.40, SD= 0.17), and the posterior heritability for FCI was relatively low (0.11, SD= 0.03). The traits LMA, BF and RF measured at Y and at PY are practically the same traits since the genetic correlation are 0.83 (SD= 0.06), 0.94 (SD= 0.02) and 0.72 (SD= 0.07), respectively. In conclusion, ultrasound carcass traits should respond rapidly to selection and can be recorded only in one age, at Y or at PY. Furthermore, there is no need to include the two subcutaneous fat thickness measures (BF and RF) in selection criteria since they are highly genetic correlated. Genetic progress for these carcass traits can be achieved without affecting the breeding value of animals for other economic traits, since the most of genetic correlation estimates are favorable and of low magnitude.
650 $aCarcaça
650 $aGado de corte
653 $aUltra-Som
700 1 $aLÔBO, R. B.
700 1 $aMAGNABOSCO, C. de U.
700 1 $aROSA, G. J. M.
700 1 $aFORNI, S.
700 1 $aSAINZ, R. D.
700 1 $aALBUQUERQUE, L. G.
773 $tLivestock Science$gv. 180, p. 34-40, Oct. 2015.
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