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| Registros recuperados : 39 | |
| 2. |  | SANTANA JÚNIOR, M. L.; ELER, J. P.; CARDOSO, F. F.; FERRAS, J. B. S. Interação genótipo x ambiente para ganho de peso pós-desmama de bovinos de corte compostos. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 48., 2011, Belém, PA. O desenvolvimento da produção animal e a responsabilidade frente a novos desafios: anais. Belém, PA: SBZ, 2011. 1 CD-ROM.| Biblioteca(s): Embrapa Pecuária Sul. |
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| 5. | | PEREIRA, R. J.; SANTANA JÚNIOR, M. L.; AYRES, D. R.; BIGNARDI, A. B.; VERCESI FILHO, A. E. Depressão endogâmica na produção de leite no dia do controle de bovinos Gir leiteiro. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 51, n. 6, p. 751-758, jun. 2016. Título em inglês: Inbreeding depression in test?day milk yield of Gyr dairy cattle.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 6. | | SANTANA JUNIOR, M. L.; ELER, J. P.; CARDOSO, F. F.; ALBUQUERQUE, L. G.; BIGNARDI, A. B.; FERRAZ, J. B. S. Genotype by environment interaction for birth and weaning weights of composite beef cattle in different regions of Brazil Livestock Production Science, Amsterdam, v. 149, n. 3, p. 242-249, Nov. 2012.| Biblioteca(s): Embrapa Pecuária Sul. |
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| 7. | | SANTANA JUNIOR, M. L.; BIGNARDI, A. B.; ELER, J. P.; CARDOSO, F. F.; FERRAZ, J. B. S. Genotype by environment interaction and model comparison for growth traits of Santa Ines sheep. Journal of Animal Breeding and Genetics, Berlin, DE, v. 130, n. 5, p. 394-403, Oct. 2013. Publicado online em 24 jan. 2013.| Biblioteca(s): Embrapa Pecuária Sul. |
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| 8. | | SANTANA JÚNIOR, M. L.; PEDROSA, V. B.; GROENEVELD, E.; FERRAZ, J. B. S.; CARDOSO, F. F.; ELER, J. P. Genotype x environment interaction for growth and reproduction traits of composite beef cattle in Brazil. In: WORLD CONGRESS ON GENETICS APPLIED TO LIVESTOCK PRODUCTION, 9., 2010, Leipzig. Proceedings... Leipzig: German Society of Animal Science, 2010. 1 CD-ROM.| Biblioteca(s): Embrapa Pecuária Sul. |
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| 9. | | SANTANA JUNIOR, M. L.; ELER, J. P.; BIGNARDI, A. B.; MENÉNDEZ-BUXADERA, A.; CARDOSO, F. F.; FERRAZ, J. B. S. Multi-trait linear reaction norm model to describe the pattern of phenotypic expression of some economic traits in beef cattle across a range of environments. Journal of Applied Genetics, v. 56, n. 2, p. 219-229, May 2015.| Biblioteca(s): Embrapa Pecuária Sul. |
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| 10. | | VERNEQUE, R. S.; PEREIRA, R. J.; SANTANA JUNIOR, M. L.; TEODORO, R. L.; PEIXOTO, M. G. C. D. Oscilações nos valores genéticos de touros Gir Leiteiro em valiações genéticas sucessivas. In: REUNIÓN ASOCIACÓN LATINOAMERICANA DE PRODUCCIÓN ANIMAL, 20., REUNIÓN ASOCIACIÓN PERUANA DE PRODUCCIÓN ANIMAL, 30., CONGRESO INTERNACIONAL DE GANADERIA DOBLE PROPOSITO, 5., 2007, Cuzco. Anais... Cuzco: ALPA/APPA, 2007. 1 CD.| Biblioteca(s): Embrapa Gado de Leite. |
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| 11. | | VERNEQUE, R. S.; PEREIRA, R. J.; SANTANA JUNIOR, M. L.; TEODORO, R. L.; PEIXOTO, M. G. C. D. Oscilações nos valores genéticos de touros Gir Leiteiro em valiações genéticas sucessivas. In: REUNIÓN ASOCIACÓN LATINOAMERICANA DE PRODUCCIÓN ANIMAL, 20.; REUNIÓN ASOCIACIÓN PERUANA DE PRODUCCIÓN ANIMAL, 30.; CONGRESO INTERNACIONAL DE GANADERIA DOBLE PROPOSITO, 5., 2007, Cuzco. Resumenes... Cuzco: ALPA/APPA, 2007.| Biblioteca(s): Embrapa Gado de Leite. |
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| 12. | | SANTANA JÚNIOR, M. L.; ELER, J. P.; CARDOSO, F. F.; ALBUQUERQUE, L. G.; FERRAZ, J. B. S. Phenotypic plasticity of composite beef cattle performance using reaction norms model with unknown covariate. Animal, Cambridge, v. 7, n. 2, p. 202-210, Feb. 2013. Firstview article 27 set. 2012.| Biblioteca(s): Embrapa Pecuária Sul. |
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| 13. | | PEDROSA, V. B.; SANTANA JUNIOR, M. L.; OLIVEIRA, P. S.; ELER, J. P.; FERRAZ, J. B. S. Population structure and inbreeding effects on growth traits of Santa Ines sheep in Brazil. Small Ruminant Research, Amsterdam, v. 93, n. 2/3, p. 135-139, Oct. 2010.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 14. | | PEREIRA, R. J.; SANTANA JUNIOR, M. L.; BIGNARDI, A. B.; VERNEQUE, R. da S.; EL FARO, L.; ALBUQUERQUE, L. G. de. Effect of pregnancy on the genetic evaluation of dairy cattle. Genetics and Molecular Research, v. 10, n. 3, p. 2190-2201, 2011.| Biblioteca(s): Embrapa Gado de Leite. |
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| 15. | | OLIVEIRA, P. S.; SANTANA JÚNIOR, M. L.; PEDROSA, V. B.; OLIVEIRA, E. C. de M.; ELER, J. P.; FERRAZ, J. B. S. Estrutura populacional de rebanho fechado da raça Nelore da linhagem Lemgruber. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 46, n. 6, p. 639-647, jun. 2011 Título em inglês: Population structure of a closed herd of Nellore cattle of the Lemgruber line.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 16. | | OKAMURA, V.; MENEZES, G. R. de O.; SANTANA JÚNIOR, M. L.; PEREIRA, R. J.; SILVA, L. O. C. da; GONDO, A.; NOBRE, P. R. C. Estrutura da população Nelore In: JORNADA CIENTÍFICA EMBRAPA GADO DE CORTE, 8., 2012, Campo Grande, MS. [Anais da..]. Campo Grande, MS: Embrapa Gado de Corte, 2012. 2 p. (Embrapa Gado de Corte. Documentos, 198).| Biblioteca(s): Embrapa Gado de Corte. |
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| 17. | | SANTANA JUNIOR, M. L.; ELER, J. P.; CARDOSO, F. F.; ALBUQUERQUE, L. G.; BALIEIRO, J. C. C.; PEREIRA, R. J.; FERRAZ, J. B. S. Genotype by environment interaction for post-weaning weight gain, scrotal circumference, and muscling score of composite beef cattle in different regions of Brazil. Genetics and Molecular Research, Ribeirão Preto, v. 13, n. 2, p. 3048-3059, 2014.| Biblioteca(s): Embrapa Pecuária Sul. |
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| 18. | | PEREIRA, R. J.; LOPES, P. S.; VERNEQUE, R. da S.; SANTANA JUNIOR, M. L.; LAGROTTA, M. R.; TORRES, R. de A. Funções de covariância para produção de leite no dia do controle em bovinos Gir Leiteiro. Pesquisa Agropecuária Brasileira, v. 45, n. 11, p. 1303-1311, 2010.| Biblioteca(s): Embrapa Gado de Leite; Embrapa Unidades Centrais. |
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| 19. | | PEREIRA, R. J.; VERNEQUE, R. da S.; LOPES, P. S.; SANTANA JUNIOR, M. L.; LAGROTTA, M. R.; TORRES, R. A.; VERCESI FILHO, A. E.; MACHADO, M. A. Milk yield persistency in brazilian gyr cattle based on a random regression model. Genetics and Molecular Research, v. 11, n. 2., p. 1599-1609, 2012.| Biblioteca(s): Embrapa Gado de Leite. |
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| 20. | | SANTANA JUNIOR, M. L.; LOPES, P. S.; VERNEQUE, R. da S.; PEREIRA, R. J.; LAGROTTA, M. R.; PEIXOTO, M. G. C. D. Parâmetros genéticos de características reprodutivas de touros e vacas Gir leiteiro. Revista Brasileira de Zootecnia, v. 39, n. 8, p. 1717-1722, 2010.| Biblioteca(s): Embrapa Gado de Leite. |
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| Registros recuperados : 39 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sul. |
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Data corrente: |
20/11/2012 |
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Data da última atualização: |
24/06/2013 |
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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: |
SANTANA JÚNIOR, M. L.; ELER, J. P.; CARDOSO, F. F.; ALBUQUERQUE, L. G.; FERRAZ, J. B. S. |
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Afiliação: |
UNIVERSIDADE FEDERAL DE MATO GROSSO; USP; FERNANDO FLORES CARDOSO, CPPSUL; UNIVERSIDADE ESTADUAL PAULISTA; USP. |
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Título: |
Phenotypic plasticity of composite beef cattle performance using reaction norms model with unknown covariate. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Animal, Cambridge, v. 7, n. 2, p. 202-210, Feb. 2013. |
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ISSN: |
1751-732X |
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Idioma: |
Inglês |
|
Notas: |
Firstview article 27 set. 2012. |
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Conteúdo: |
The objective of the present study was to determine the presence of genotype by environment interaction (G × E) and to characterize the phenotypic plasticity of birth weight (BW), weaning weight (WW), postweaning weight gain (PWG) and yearling scrotal circumference (SC) in composite beef cattle using the reaction norms model with unknown covariate. The animals were born between 1995 and 2008 on 33 farms located throughout all Brazilian biomes between latitude −7° and −31°, longitude −40° and −63°. The contemporary group was chosen as the environmental descriptor, that is, the environmental covariate of the reaction norms. In general, higher estimates of direct heritability were observed in extreme favorable environments. The mean of direct heritability across the environmental gradient ranged from 0.05 to 0.51, 0.09 to 0.43, 0.01 to 0.43 and from 0.12 to 0.26 for BW, WW, PWG and SC, respectively. The variation in direct heritability observed indicates a different response to selection according to the environment in which the animals of the population are evaluated. The correlation between the level and slope of the reaction norm for BW and PWG was high, indicating that animals with higher average breeding values responded better to improvement in environmental conditions, a fact characterizing a scale of G × E. Low correlation between the intercept and slope was obtained for WW and SC, implying re-ranking of animals in different environments. Genetic variation exists in the sensitivity of animals to the environment, a fact that permits the selection of more plastic or robust genotypes in the population studied. Thus, the G × E is an important factor that should be considered in the genetic evaluation of the present population of composite beef cattle. MenosThe objective of the present study was to determine the presence of genotype by environment interaction (G × E) and to characterize the phenotypic plasticity of birth weight (BW), weaning weight (WW), postweaning weight gain (PWG) and yearling scrotal circumference (SC) in composite beef cattle using the reaction norms model with unknown covariate. The animals were born between 1995 and 2008 on 33 farms located throughout all Brazilian biomes between latitude −7° and −31°, longitude −40° and −63°. The contemporary group was chosen as the environmental descriptor, that is, the environmental covariate of the reaction norms. In general, higher estimates of direct heritability were observed in extreme favorable environments. The mean of direct heritability across the environmental gradient ranged from 0.05 to 0.51, 0.09 to 0.43, 0.01 to 0.43 and from 0.12 to 0.26 for BW, WW, PWG and SC, respectively. The variation in direct heritability observed indicates a different response to selection according to the environment in which the animals of the population are evaluated. The correlation between the level and slope of the reaction norm for BW and PWG was high, indicating that animals with higher average breeding values responded better to improvement in environmental conditions, a fact characterizing a scale of G × E. Low correlation between the intercept and slope was obtained for WW and SC, implying re-ranking of animals in different environments. Genetic... Mostrar Tudo |
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Thesagro: |
Gado de corte. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/77851/1/Cardoso-Animal.pdf
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Marc: |
LEADER 02462naa a2200205 a 4500
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100 1 $aSANTANA JÚNIOR, M. L.
245 $aPhenotypic plasticity of composite beef cattle performance using reaction norms model with unknown covariate.$h[electronic resource]
260 $c2013
500 $aFirstview article 27 set. 2012.
520 $aThe objective of the present study was to determine the presence of genotype by environment interaction (G × E) and to characterize the phenotypic plasticity of birth weight (BW), weaning weight (WW), postweaning weight gain (PWG) and yearling scrotal circumference (SC) in composite beef cattle using the reaction norms model with unknown covariate. The animals were born between 1995 and 2008 on 33 farms located throughout all Brazilian biomes between latitude −7° and −31°, longitude −40° and −63°. The contemporary group was chosen as the environmental descriptor, that is, the environmental covariate of the reaction norms. In general, higher estimates of direct heritability were observed in extreme favorable environments. The mean of direct heritability across the environmental gradient ranged from 0.05 to 0.51, 0.09 to 0.43, 0.01 to 0.43 and from 0.12 to 0.26 for BW, WW, PWG and SC, respectively. The variation in direct heritability observed indicates a different response to selection according to the environment in which the animals of the population are evaluated. The correlation between the level and slope of the reaction norm for BW and PWG was high, indicating that animals with higher average breeding values responded better to improvement in environmental conditions, a fact characterizing a scale of G × E. Low correlation between the intercept and slope was obtained for WW and SC, implying re-ranking of animals in different environments. Genetic variation exists in the sensitivity of animals to the environment, a fact that permits the selection of more plastic or robust genotypes in the population studied. Thus, the G × E is an important factor that should be considered in the genetic evaluation of the present population of composite beef cattle.
650 $aGado de corte
700 1 $aELER, J. P.
700 1 $aCARDOSO, F. F.
700 1 $aALBUQUERQUE, L. G.
700 1 $aFERRAZ, J. B. S.
773 $tAnimal, Cambridge$gv. 7, n. 2, p. 202-210, Feb. 2013.
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