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| Registros recuperados : 9 | |
| 1. |  | TORRES, T. R.; LUDKE, M. do C. M. M.; LUDKE, J. V.; SANTOS, M. J. B. dos; LIMA, M. R. de; SANTOS, P. A. dos. Performance of broilers fed during 21 days on mash or pellet diets containing whole or ground pearl millet grain. Brazilian Journal of Poultry Science, v. 15, n. 4, p. 1-6, 2013.| Biblioteca(s): Embrapa Suínos e Aves. |
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| 2. | | TORRES, T. R.; LUDKE, M. DO C. M. M.; LUDKE, J. V.; LIMA, M. R.; SANTOS, P. A. DOS; SANTOS, M. J. B. DOS. Efeito da granulometria do milheto sobre o rendimento de carcaças de frangos de corte In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 46., 2009, Maringá. Inovação científica e tecnológica em zootecnia: anais dos resumos. Maringá: SBZ: UEM, 2009. 1 CD-ROM. Projeto/Plano de Ação: 16.00.30004-00| Biblioteca(s): Embrapa Suínos e Aves. |
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| 6. | | SENA FILHO, J. G. de; RABBANI, A. R. C; SILVA, T. R. dos S.; MUNIZ, A. V. C. da S.; SOUZA, I. A.; SANTOS, M. J. B. A.; JESUS, J. R. de; NOGUEIRA, P. C. L.; DURINGER, J. M. Chemical and molecular characterization of fifteen species from the Lantana (Verbenaceae) genus. Biochemical Systematics and Ecology, v. 45, p. 130-137, 2012.| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| 7. | | SANTOS, A. P. S. F.; LUDKE, M. C. M. M.; LUDKE, J. V.; FRAIHA, M.; OLIVEIRA, E. L.; TORRES, T. R.; SANTOS, M. J. B.; VILELA, M. R. O.; RABELLO, C. B. V. Características de carcaça de frangos alimentados com farelo de algodão. Archivos de Zootecnia, v. 57, n. 217, p.15-24, 2008. Projeto n. 16.00.30.001.16.| Biblioteca(s): Embrapa Suínos e Aves. |
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| 8. | | SANTOS, M. J. B. A.; SANTOS, T. de J.; BEZERRA, R. M.; FRAGA, Y. S. B.; MENEZES JÚNIOR, J. L. de; BRANDÃO, E. T. dos A.; BARRETO, A. C.; FERNANDES, M. F. Atributos microbiológicos do solo em diferentes densidades de plantio da gliricídia no pomar cítrico. In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA E PÓS-GRADUAÇÃO DA EMBRAPA TABULEIROS COSTEIROS, 3., 2013, Aracaju. Anais... Brasília, DF: Embrapa, 2013. 1 CD-ROM. p. 124-131.| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| 9. | | LIMA, M. B. de; SILVA, E. P. da; RABELLO, C. B. V.; ARRUDA, E. M. F. de; LIMA, R. A. de; LUDKE, J. V.; SANTOS, M. J. B. dos. Uso de farinha de vísceras de aves na alimentação de frangos de corte de 29 a 41 dias de idade. In: CONGRESSO NORDESTINO DE PRODUÇÃO ANIMAL, 5., 2008, Aracaju. Anais. Aracaju: Sociedade Nordestina de Produção Animal: Embrapa Tabuleiros Costeiros, 2008. Projeto/Plano de Ação: 16.00.30004-00. Publicado em CD-ROM.| Biblioteca(s): Embrapa Suínos e Aves. |
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| Registros recuperados : 9 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Suínos e Aves. Para informações adicionais entre em contato com cnpsa.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
15/03/2016 |
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Data da última atualização: |
15/03/2016 |
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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: |
BRAINER, M. M. de A.; RABELLO, C. B.; SANTOS, M. J. B. dos; LUDKE, J. V.; LOPES, C. da C.; MEDEIROS, V. R. L. de; COSTA, F. G. P. |
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Afiliação: |
MÔNICA MARIA DE ALMEIDA BRAINER, IFGoiano/Câmpus Ceres; CARLOS BOA VIAGEM RABELLO, UFRPE; MARCOS JOSÉ BATISTA DOS SANTOS, UFRPE; JORGE VITOR LUDKE, CNPSA; CLÁUDIA DA COSTA LOPES, UFRPE; WALESKA ROCHA LEITE DE MEDEIROS, UFRPE; FERNANDO GUILHERME PERAZZO COSTA, UFPB/Centro de Ciências Agrárias. |
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Título: |
Crude protein requirements of free-range laying hens. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Animal Production Science, 21 may 2015. |
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DOI: |
http://dx.doi.org/10.1071/AN14890 |
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Idioma: |
Inglês |
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Conteúdo: |
he goal of this study was to estimate the crude protein (CP) requirement for the maintenance, weight gain and egg production of free-range hens, and produce a predictive protein requirement equation. A linear regression equation of the nitrogen that was retained in the body relative to the production of eggs as a function of different nitrogen intake levels (ad libitum, 80%, 60% and 40% of the original ad libitum intake) provided the nitrogen requirement for maintenance. This relationship was determined at the x-axis intercept, and the efficiency of dietary nitrogen utilisation was expressed by the regression coefficient. The CP requirement for weight gain was estimated as a function of the nitrogen content in the carcass, and the dietary nitrogen utilisation efficiency was found after each week?s slaughter. The CP requirement for egg production was determined by comparing egg protein concentrations with the efficiency of egg protein deposition. The requirements and efficiency of maintenance protein utilisation were 4.7 g CP/kg0.75.day and 56%, respectively. Because there were no changes in the live bodyweights and nitrogen contents of bird carcasses, the CP requirement and efficiency value for weight gain were not estimated. The protein requirement and utilisation efficiency for egg production were 0.18 g CP/g egg mass (EM) produced and 62%, respectively. From the requirements that were estimated in the present study, the following equation can be used to predict the protein requirements of free-range hens during the laying phase: CP = 4.7 × W0.75 + 0.18 × EM (g/bird.day). Menoshe goal of this study was to estimate the crude protein (CP) requirement for the maintenance, weight gain and egg production of free-range hens, and produce a predictive protein requirement equation. A linear regression equation of the nitrogen that was retained in the body relative to the production of eggs as a function of different nitrogen intake levels (ad libitum, 80%, 60% and 40% of the original ad libitum intake) provided the nitrogen requirement for maintenance. This relationship was determined at the x-axis intercept, and the efficiency of dietary nitrogen utilisation was expressed by the regression coefficient. The CP requirement for weight gain was estimated as a function of the nitrogen content in the carcass, and the dietary nitrogen utilisation efficiency was found after each week?s slaughter. The CP requirement for egg production was determined by comparing egg protein concentrations with the efficiency of egg protein deposition. The requirements and efficiency of maintenance protein utilisation were 4.7 g CP/kg0.75.day and 56%, respectively. Because there were no changes in the live bodyweights and nitrogen contents of bird carcasses, the CP requirement and efficiency value for weight gain were not estimated. The protein requirement and utilisation efficiency for egg production were 0.18 g CP/g egg mass (EM) produced and 62%, respectively. From the requirements that were estimated in the present study, the following equation can be used to predict the protei... Mostrar Tudo |
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Thesagro: |
Galinha para postura; Nutrição animal. |
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Thesaurus NAL: |
Animal nutrition; Laying hens. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02334naa a2200253 a 4500
001 2040903
005 2016-03-15
008 2015 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1071/AN14890$2DOI
100 1 $aBRAINER, M. M. de A.
245 $aCrude protein requirements of free-range laying hens.$h[electronic resource]
260 $c2015
520 $ahe goal of this study was to estimate the crude protein (CP) requirement for the maintenance, weight gain and egg production of free-range hens, and produce a predictive protein requirement equation. A linear regression equation of the nitrogen that was retained in the body relative to the production of eggs as a function of different nitrogen intake levels (ad libitum, 80%, 60% and 40% of the original ad libitum intake) provided the nitrogen requirement for maintenance. This relationship was determined at the x-axis intercept, and the efficiency of dietary nitrogen utilisation was expressed by the regression coefficient. The CP requirement for weight gain was estimated as a function of the nitrogen content in the carcass, and the dietary nitrogen utilisation efficiency was found after each week?s slaughter. The CP requirement for egg production was determined by comparing egg protein concentrations with the efficiency of egg protein deposition. The requirements and efficiency of maintenance protein utilisation were 4.7 g CP/kg0.75.day and 56%, respectively. Because there were no changes in the live bodyweights and nitrogen contents of bird carcasses, the CP requirement and efficiency value for weight gain were not estimated. The protein requirement and utilisation efficiency for egg production were 0.18 g CP/g egg mass (EM) produced and 62%, respectively. From the requirements that were estimated in the present study, the following equation can be used to predict the protein requirements of free-range hens during the laying phase: CP = 4.7 × W0.75 + 0.18 × EM (g/bird.day).
650 $aAnimal nutrition
650 $aLaying hens
650 $aGalinha para postura
650 $aNutrição animal
700 1 $aRABELLO, C. B.
700 1 $aSANTOS, M. J. B. dos
700 1 $aLUDKE, J. V.
700 1 $aLOPES, C. da C.
700 1 $aMEDEIROS, V. R. L. de
700 1 $aCOSTA, F. G. P.
773 $tAnimal Production Science, 21 may 2015.
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