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Registro Completo |
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
03/11/2016 |
Data da última atualização: |
07/03/2017 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
FAVERO, R.; FEIJO, G. L. D.; BONIN, M. N.; GOMES, R. da C.; MENEZES, G. R. de O.; TORRES JUNIOR, R. A. de A.; SURITA, L. M. A.; MIZUBUTI, I. Y. |
Afiliação: |
RiICARDO FAVERO, UEL; GELSON LUIS DIAS FEIJO, CNPGC; MARINA N. BONIN, UFMS; RODRIGO DA COSTA GOMES, CNPGC; GILBERTO ROMEIRO DE OLIVEIRA MENEZE, CNPGC; ROBERTO AUGUSTO DE A TORRES JUNIOR, CNPGC; LUCY M. A. SURITA, UEL; IVONE Y. MIZUBUTI, UEL. |
Título: |
Carcass traits of crossbred steers surgically castrated or immunocastrated. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
International Meeting of Advances in Animal Science, 2016., Jaboticabal. Anais... Jaboticabal: UNESP, 2016. |
Idioma: |
Inglês |
Conteúdo: |
The aim of this study was to evaluate carcass traits of crossbred steers surgically castrated or immunocastrated. Steers produced along two years from mating Nellore, 1/2 Nellore x 1/2 Angus and 1/2 Nellore x 1/2 Caracu dams with Braford, Charbray and Caracu sires were raised grazing tropical grasses until 20 months of age (n = 80; 40 per treatment; five of each genetic group per treatment), finished feedlot for 4 months (n = 64; 32 per treatment; four of each genetic group per treatment), and harvested at 570 ? 63 kg of body weight. The immunocastration protocol was performed in three applications of vaccine Bopriva (Zoetis; 1 ml subcutaneous each application), targeting the complete castration effect, obtained in the 2nd dose, at 14 months of age, when was also performed surgical castration of the other steers, so that all animals were castrated at the same age. Ultrasound scanning was performed at the beginning and end of the growing period to determine ribeye area (REAi / REAf), backfat thickness (BFTi / BFTf) and rump fat thickness (RFTi / RFTf). Hot carcass weight (HCW) and carcass dressing (CD) were measured at slaughter. Following 24-h chill, Longissimus marbling score (12th-13th ribs section), carcass backfat score (BFS), REAsl and BFTsl were evaluated. Longissimus samples were analyzed for Warner Bratzler shear force (SF) following 0d and 7d aging as well as Hunter L*, a* and b* values following 7d aging. Data were analyzed under a mixed model with sire and dam genetic group (and its iteration), birth season, castration method and backgrounding paddock as fixed effects, and sire nested in sire genetic group as random effect. There were no differences on BFTi, RFTi and RFTf (P > 0.05), however, there was tendency (P < 0.10) that BFTf was higher for immunocastrated steers (3.3 vs 2.8 mm). HCW, CD, BFTsl and BFS were similar (P > 0.05) among animals. The REAsl was superior for immunocastrated steers (81.8 vs. 76.5 cm2; P < 0.05). Marbling score was higher for surgically castrated (626 vs. 582; P < 0.05) and no significant differences for SF and Hunter color values were observed among steers (P > 0.05). Immunocastration can be used as alternative for surgical castration to improve backfat thickness, however it can negatively affect marbling in crossbred steers. - See more at: https://proceedings.galoa.com.br/imas/papers/carcass-traits-of-crossbred-steers-surgically-castrated-or-immunocastrated#sthash.wVsCYEpG.dpuf MenosThe aim of this study was to evaluate carcass traits of crossbred steers surgically castrated or immunocastrated. Steers produced along two years from mating Nellore, 1/2 Nellore x 1/2 Angus and 1/2 Nellore x 1/2 Caracu dams with Braford, Charbray and Caracu sires were raised grazing tropical grasses until 20 months of age (n = 80; 40 per treatment; five of each genetic group per treatment), finished feedlot for 4 months (n = 64; 32 per treatment; four of each genetic group per treatment), and harvested at 570 ? 63 kg of body weight. The immunocastration protocol was performed in three applications of vaccine Bopriva (Zoetis; 1 ml subcutaneous each application), targeting the complete castration effect, obtained in the 2nd dose, at 14 months of age, when was also performed surgical castration of the other steers, so that all animals were castrated at the same age. Ultrasound scanning was performed at the beginning and end of the growing period to determine ribeye area (REAi / REAf), backfat thickness (BFTi / BFTf) and rump fat thickness (RFTi / RFTf). Hot carcass weight (HCW) and carcass dressing (CD) were measured at slaughter. Following 24-h chill, Longissimus marbling score (12th-13th ribs section), carcass backfat score (BFS), REAsl and BFTsl were evaluated. Longissimus samples were analyzed for Warner Bratzler shear force (SF) following 0d and 7d aging as well as Hunter L*, a* and b* values following 7d aging. Data were analyzed under a mixed model with sire and dam gen... Mostrar Tudo |
Palavras-Chave: |
Backfa; Castração temporária; Gordura de touro; Gordura intramuscular; Musculature; Temporary castration. |
Thesagro: |
Musculo. |
Thesaurus Nal: |
Intramuscular fat. |
Categoria do assunto: |
G Melhoramento Genético |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/149544/1/Favero-et-al-2016-carcass-immunecastration.pdf
|
Marc: |
LEADER 03374nam a2200289 a 4500 001 2055834 005 2017-03-07 008 2016 bl uuuu u00u1 u #d 100 1 $aFAVERO, R. 245 $aCarcass traits of crossbred steers surgically castrated or immunocastrated.$h[electronic resource] 260 $aInternational Meeting of Advances in Animal Science, 2016., Jaboticabal. Anais... Jaboticabal: UNESP$c2016 520 $aThe aim of this study was to evaluate carcass traits of crossbred steers surgically castrated or immunocastrated. Steers produced along two years from mating Nellore, 1/2 Nellore x 1/2 Angus and 1/2 Nellore x 1/2 Caracu dams with Braford, Charbray and Caracu sires were raised grazing tropical grasses until 20 months of age (n = 80; 40 per treatment; five of each genetic group per treatment), finished feedlot for 4 months (n = 64; 32 per treatment; four of each genetic group per treatment), and harvested at 570 ? 63 kg of body weight. The immunocastration protocol was performed in three applications of vaccine Bopriva (Zoetis; 1 ml subcutaneous each application), targeting the complete castration effect, obtained in the 2nd dose, at 14 months of age, when was also performed surgical castration of the other steers, so that all animals were castrated at the same age. Ultrasound scanning was performed at the beginning and end of the growing period to determine ribeye area (REAi / REAf), backfat thickness (BFTi / BFTf) and rump fat thickness (RFTi / RFTf). Hot carcass weight (HCW) and carcass dressing (CD) were measured at slaughter. Following 24-h chill, Longissimus marbling score (12th-13th ribs section), carcass backfat score (BFS), REAsl and BFTsl were evaluated. Longissimus samples were analyzed for Warner Bratzler shear force (SF) following 0d and 7d aging as well as Hunter L*, a* and b* values following 7d aging. Data were analyzed under a mixed model with sire and dam genetic group (and its iteration), birth season, castration method and backgrounding paddock as fixed effects, and sire nested in sire genetic group as random effect. There were no differences on BFTi, RFTi and RFTf (P > 0.05), however, there was tendency (P < 0.10) that BFTf was higher for immunocastrated steers (3.3 vs 2.8 mm). HCW, CD, BFTsl and BFS were similar (P > 0.05) among animals. The REAsl was superior for immunocastrated steers (81.8 vs. 76.5 cm2; P < 0.05). Marbling score was higher for surgically castrated (626 vs. 582; P < 0.05) and no significant differences for SF and Hunter color values were observed among steers (P > 0.05). Immunocastration can be used as alternative for surgical castration to improve backfat thickness, however it can negatively affect marbling in crossbred steers. - See more at: https://proceedings.galoa.com.br/imas/papers/carcass-traits-of-crossbred-steers-surgically-castrated-or-immunocastrated#sthash.wVsCYEpG.dpuf 650 $aIntramuscular fat 650 $aMusculo 653 $aBackfa 653 $aCastração temporária 653 $aGordura de touro 653 $aGordura intramuscular 653 $aMusculature 653 $aTemporary castration 700 1 $aFEIJO, G. L. D. 700 1 $aBONIN, M. N. 700 1 $aGOMES, R. da C. 700 1 $aMENEZES, G. R. de O. 700 1 $aTORRES JUNIOR, R. A. de A. 700 1 $aSURITA, L. M. A. 700 1 $aMIZUBUTI, I. Y.
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Embrapa Gado de Corte (CNPGC) |
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Registros recuperados : 146 | |
61. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | CONCEIÇÃO, H. E. O. da; QUADROS, B. R. de; VASCONCELOS, R. D. de; GONÇALVES, M. F.; SILVA, E. S. A. Avaliação de sensibilidade de plantas ao fluoreto atmosférico. In: SIMPÓSIO BRASILEIRO DE ENGENHARIA AGRÍCOLA, 3., 2004, Brasília, DF. Anais. Brasília, DF: Universidade Católica de Brasília, 2004.Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Amazônia Oriental. |
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64. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | THOMAZ, M. A. A.; VIEGAS, I. de J. M.; SILVA, J. F. da; CONCEIÇÃO, H. E. O. da. Efeito da omissão de macronutrientes e do micronutriente boro no crescimento, sintomas de deficiências nutricionais e na composição mineral de plantas de camu camu. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 17., 2002, Belém, PA. Anais. Belém: SBF, 2002. 4 f. Publicado também: FRAZÃO, D. A. C.; HOMMA, A. K. O; VIÉGAS, I. de J. M. (Ed.). Contribuição ao desenvolvimento da fruticultura na Amazônia. Belém, PA: Embrapa Amazônia Oriental, 2006. p. 219-227.Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Amazônia Oriental. |
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65. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PAULA, M. T. de; SANTOS FILHO, B. G. dos; SANTOS, D. S. B. dos; CONCEIÇÃO, H. E. O. da. Efeitos de fluoreto atmosférico em folhas de Byrsonima crassifolia (L.) Rich., aos arredores da fabrica de alumínio da ALBRAS. In: CONGRESSO NACIONAL DE BOTÂNICA, 49., 1998, Salvador, BA. Resumos. Salvador: UFBA/SBB, 1998. p. 233.Biblioteca(s): Embrapa Amazônia Oriental. |
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66. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PAULA, M. T. de; SANTOS FILHO, B. G. dos; SANTOS, D. S. dos; CONCEICAO, H. E. O. da. Efeitos de fluoretos atmosfeicos em Byrsonima crassifolia ao arredores de uma fabrica de alumínio, Barcarena, Pará-Brasil. In: CONGRESSO BRASILEIRO DE FISIOLOGIA VEGETAL, 6., 1997, Belém, PA. Resumos. Belém, PA: SBFV, 1997. p. 269.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Amazônia Oriental. |
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67. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PAULA, M. T. de; SANTOS FILHO, B. G.; SANTOS, D. S. B.; CONCEIÇÃO, H. E.; MOARAES, C. M. Efeitos de fluor sobre folhas de muruci (Byrsonima crassifolia [L.] Rich). In: CONGRESSO NACIONAL DE BOTÂNICA, 54.; REUNIÃO AMAZÔNICA DE BOTÂNICA, 3., 2003, Belém, PA. Botânica: desafios da botânica brasileira no novo milênio: inventário, sistematização, conservação e uso da diversidade vegetal: resumos. Belém, PA: Sociedade Botânica do Brasil: UFRA: Museu Paraense Emílio Goeldi: Embrapa Amazônia Oriental, 2003. 1 CD-ROM.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Amazônia Oriental. |
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71. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | FERNANDES, A. R.; CARVALHO, J. G. de; CONCEICAO, H. E. O. da; SANTIAGO, E. J. A. de. Efeito da calagem e adubação fosfatada sobre a produção de matéria seca das raízes e total, em leguminosa herbáceas. In: CONGRESSO BRASILEIRO DE FISIOLOGIA VEGETAL, 6., 1997, Belém, PA. Resumos. Belém, PA: SBFV, 1997. p. 6.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Amazônia Oriental. |
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73. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GONÇALVES, M. F.; VASCONCELOS, R. D. de; QUADROS, B. R. de; CONCEIÇÃO, H. E. O. da; SILVA, E. S. A. Crescimento e teores de fluoretos em bioindicadores. I. Capsicum sinensis L. In: SIMPÓSIO BRASILEIRO DE ENGENHARIA AGRÍCOLA, 3., 2004, Brasília, DF. Anais. Brasília, DF: Universidade Católica de Brasília, 2004.Tipo: Artigo em Anais de Congresso / Nota Técnica |
Biblioteca(s): Embrapa Amazônia Oriental. |
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75. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PEREIRA, A. V.; CONCEICAO, H. E. O.; RODRIGUES, F. M.; BERNIZ, J. M. J.; ROSSETI, A. G. Efeito do espacamento sobre o crescimento e producao de porta-enxertos de seringueira. Pesquisa Agropecuaria Brasileira, Brasilia, v.18, n.2, p. 121-127, fev. 1983.Tipo: Artigo em Periódico Indexado |
Biblioteca(s): Embrapa Amazônia Ocidental; Embrapa Unidades Centrais. |
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76. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PEREIRA, A. V.; CONCEIÇÃO, H. E. O.; RODRIGUES, F. M.; BERNIZ, J. M. J.; ROSSETTI, A. G. Efeito do espaçamento sobre o crescimento e produção de porta-enxertos de seringueira. In: SEMINÁRIO NACIONAL DA SERINGUEIRA, 3., 1980, Manaus. Anais... Brasília, DF: SUDHEVEA, 1980. v. 2. p. 682-700.Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Amazônia Ocidental. |
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77. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | VIÉGAS, I. de J. M.; FRAZÃO, D. A. C.; THOMAZ, M. A. A.; CONCEIÇÃO, H. E. O. da; PINHEIRO, E. Limitações nutricionais para o cultivo de açaizeiro em Latossolo Amarelo textura média, Estado do Pará. Revista Brasileira de Fruticultura, v. 26, n. 2, p. 382-384, ago. 2004.Tipo: Artigo em Periódico Indexado | Circulação/Nível: Nacional - A |
Biblioteca(s): Embrapa Amazônia Oriental. |
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Registros recuperados : 146 | |
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