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Registro Completo |
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
22/06/2016 |
Data da última atualização: |
12/03/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BORBA, L. H. F.; REY, F. S. B.; FEITOSA, F. L. B.; SILVA, L. O. C. da; PEREIRA, A. S. C.; ALENCAR, M. M. de. |
Afiliação: |
Luis Henrique Fernandes Borba, UFRN; Fernando Sebastian Baldi Rey, UNESP; Fabieli Loise Braga Feitosa, UNESP; LUIZ OTAVIO CAMPOS DA SILVA, CNPGC; Angelica Simone Cravo Pereira, USP; MAURICIO MELLO DE ALENCAR, CPPSE. |
Título: |
Genetic correlations between visual slaughter conformation scores and growth and reproductive traits in Canchim cattle. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Genetic and Molecular Research, v.15, issue 2, 2016. |
ISSN: |
1676-5680 |
DOI: |
10.4238/gmr.15027555 |
Idioma: |
Inglês |
Conteúdo: |
We obtained heritability and (co)variance component estimates for slaughter conformation scores at 420 days of age (SCS420), age at calving (first, AFC; second, ASC), calving occurrence until 38 months of age (CP38), weight at 420 days of age (W420), and scrotal circumference at 420 days (SC420) in Canchim (5/8 Charolais + 3/8 Zebu) cattle. A total of 23,168 records of Canchim animals, including 12,493 females and 10,675 males, were analyzed. SCS420 indicated carcass structure, muscle development, and subcutaneous fat deposition. The slaughter conformation score of each animal was relative to the whole contemporary group; 1 corresponded to the lowest expression of the trait and 6 to the highest. Heritabilities, and genetic and residual correlation estimates between SCS420 and reproductive and weight traits, were estimated by multitrait analyses using an animal model with Bayesian inference, employing a linear model for AFC, ASC, SC420, and W420 and a threshold model for CP38 and SCS420. Heritability estimates for SCS420, AFC, ASC, CP38, W420, and SC420 were 0.11, 0.15, 0.15, 0.15, 0.30, and 0.30, respectively. Genetic correlation estimates between SCS420 and the other traits were 0.08 (AFC), 0.58 (ASC), 0.08 (CP38), 0.43 (W420), and 0.17 (SC420). Visual slaughter conformation scores respond to individual selection and can be used as selection criteria in Canchim cattle. Selection to improve sexual precocity would not be effective in improving carcass conformation and composition, and selection for animals with high breeding values for yearling weight may improve slaughter conformation at the yearling stage. MenosWe obtained heritability and (co)variance component estimates for slaughter conformation scores at 420 days of age (SCS420), age at calving (first, AFC; second, ASC), calving occurrence until 38 months of age (CP38), weight at 420 days of age (W420), and scrotal circumference at 420 days (SC420) in Canchim (5/8 Charolais + 3/8 Zebu) cattle. A total of 23,168 records of Canchim animals, including 12,493 females and 10,675 males, were analyzed. SCS420 indicated carcass structure, muscle development, and subcutaneous fat deposition. The slaughter conformation score of each animal was relative to the whole contemporary group; 1 corresponded to the lowest expression of the trait and 6 to the highest. Heritabilities, and genetic and residual correlation estimates between SCS420 and reproductive and weight traits, were estimated by multitrait analyses using an animal model with Bayesian inference, employing a linear model for AFC, ASC, SC420, and W420 and a threshold model for CP38 and SCS420. Heritability estimates for SCS420, AFC, ASC, CP38, W420, and SC420 were 0.11, 0.15, 0.15, 0.15, 0.30, and 0.30, respectively. Genetic correlation estimates between SCS420 and the other traits were 0.08 (AFC), 0.58 (ASC), 0.08 (CP38), 0.43 (W420), and 0.17 (SC420). Visual slaughter conformation scores respond to individual selection and can be used as selection criteria in Canchim cattle. Selection to improve sexual precocity would not be effective in improving carcass conformation and composi... Mostrar Tudo |
Palavras-Chave: |
Bayesian inference; Conformation score; Threshold model. |
Thesaurus Nal: |
beef cattle; heritability. |
Categoria do assunto: |
G Melhoramento Genético |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/144644/1/gmr7555.pdf
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Marc: |
LEADER 02448naa a2200265 a 4500 001 2047612 005 2019-03-12 008 2016 bl uuuu u00u1 u #d 022 $a1676-5680 024 7 $a10.4238/gmr.15027555$2DOI 100 1 $aBORBA, L. H. F. 245 $aGenetic correlations between visual slaughter conformation scores and growth and reproductive traits in Canchim cattle.$h[electronic resource] 260 $c2016 520 $aWe obtained heritability and (co)variance component estimates for slaughter conformation scores at 420 days of age (SCS420), age at calving (first, AFC; second, ASC), calving occurrence until 38 months of age (CP38), weight at 420 days of age (W420), and scrotal circumference at 420 days (SC420) in Canchim (5/8 Charolais + 3/8 Zebu) cattle. A total of 23,168 records of Canchim animals, including 12,493 females and 10,675 males, were analyzed. SCS420 indicated carcass structure, muscle development, and subcutaneous fat deposition. The slaughter conformation score of each animal was relative to the whole contemporary group; 1 corresponded to the lowest expression of the trait and 6 to the highest. Heritabilities, and genetic and residual correlation estimates between SCS420 and reproductive and weight traits, were estimated by multitrait analyses using an animal model with Bayesian inference, employing a linear model for AFC, ASC, SC420, and W420 and a threshold model for CP38 and SCS420. Heritability estimates for SCS420, AFC, ASC, CP38, W420, and SC420 were 0.11, 0.15, 0.15, 0.15, 0.30, and 0.30, respectively. Genetic correlation estimates between SCS420 and the other traits were 0.08 (AFC), 0.58 (ASC), 0.08 (CP38), 0.43 (W420), and 0.17 (SC420). Visual slaughter conformation scores respond to individual selection and can be used as selection criteria in Canchim cattle. Selection to improve sexual precocity would not be effective in improving carcass conformation and composition, and selection for animals with high breeding values for yearling weight may improve slaughter conformation at the yearling stage. 650 $abeef cattle 650 $aheritability 653 $aBayesian inference 653 $aConformation score 653 $aThreshold model 700 1 $aREY, F. S. B. 700 1 $aFEITOSA, F. L. B. 700 1 $aSILVA, L. O. C. da 700 1 $aPEREIRA, A. S. C. 700 1 $aALENCAR, M. M. de 773 $tGenetic and Molecular Research$gv.15, issue 2, 2016.
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Embrapa Pecuária Sudeste (CPPSE) |
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Registros recuperados : 14 | |
9. | | BORBA, L. H. F.; REY, F. S. B.; SILVA, L. O. C. da; BOLIGON, A. A.; ALENCAR, M. M. de. Parâmetros genéticos para características de crescimento e reprodução de bovinos da raça Canchim. Pesquisa agropecuária Brasileira, Brasília, v.46, n.11, p.1570-1578, nov. 2011Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Gado de Corte; Embrapa Unidades Centrais. |
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10. | | SILVA, A. M. da; ALENCAR, M. M. de; MASCIOLI, A. dos S.; TALHARI, F. M.; BARBOSA, P. F.; BORBA, L. H. F. Características reprodutivas e de crescimento de fêmeas da raça Canchim. In: RESUMOS DOS TRABALHOS APRESENTADOS NA CONVENÇÃO NACIONAL DE CANCHIM, 4., 2000, São Carlos, SP. Anais... São Carlos: Embrapa Pecuária Sudeste; São Paulo: ABCCAN, 2000. p.18.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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11. | | MASCIOLI, A. dos S.; TALHARI, F. M.; ALENCAR, M. M. de; BARBOSA, P. F.; SILVA, A. M. da; BORBA, L. H. F. Correlações genéticas entre características reprodutivas e de crescimento de fêmeas da raça Canchim. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 36., 1999, Porto Alegre, RS. Anais... Porto Alegre: SBZ, 1999. p. 156.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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14. | | SILVA, E. G. dos S. O.; ANAYA, K.; BEZERRA, M. de F.; BORBA, L. H. F.; BARBOSA, I. de M.; OLIVEIRA, J. P. F. de; URBANO, S. A.; MACÊDO, C. S.; LIMA JÚNIOR, D. M. de L.; GAMA, M. A. S. da; RANGEL, A. H. do N. Physicochemical characterization and Brix in Jersey cow colostrum in tropical conditions. International Journal of Agriculture and Biology, v. 26, n. 1, p. 139-144, 2021.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Gado de Leite. |
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Registros recuperados : 14 | |
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