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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
17/04/2019 |
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Data da última atualização: |
24/01/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CHAGAS, J. C. C.; FERREIRA, M. A.; CAMPOS, M. M.; MACHADO, F. S.; SILVA, L. C.; FACIOLA, A.; MARCONDES, M. I. |
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Afiliação: |
J. C. C. Chagas, Universidade Federal Rural de Pernambuco; M. A. Ferreira, Universidade Federal Rural de Pernambuco; MARIANA MAGALHAES CAMPOS, CNPGL; FERNANDA SAMARINI MACHADO, CNPGL; L. C. Silva, UFV; A. Faciola, University of Florida, Gainesville, FL; M. I. Marcondes, UFV. |
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Título: |
Energy and protein requirements of crossbred Holstein x Gyr calves fed commercial milk replacer and amino acid supplement. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Animal Production Science, v. 59, n. 5, p. 879-886, 2019. |
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DOI: |
10.1071/AN17562 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract. This experiment aimed to estimate the energy and protein requirements for Holstein · Gyr calves up to 60 days of age fed with milk replacer and amino acid supplement. Fifty male calves were used, of which seven were randomly allocated into the reference group and slaughtered at 8 days of age, seven were randomly allocated into the maintenance group slaughtered at 30 days of age, and the 36 remaining calves were included in the experiment at 8 days of age and randomly supplied with four dietary methionine+cysteine: lysine ratios (RMCL; 44%, 48%, 52%, and 56%) through amino acid supplement added as 1 kg/day of milk replacer reconstituted at 13.8% of dry matter. Different RMCL were tested for the models, and there were no significant effects on energy and protein requirements. The net energy requirement for maintenance was 75.2 kcal/empty bodyweight (EBW)0.75.day, with an energy use efficiency for maintenance of 67.38%. The prediction equation of net energy requirement for gain (Mcal/day) was energy retained = 0.0879 · EBW0.75 · empty bodyweight gain (EBWG)0.7580, with an energy use efficiency for gain of 47.57%. The estimated requirements for metabolisable protein for maintenance were 4.83 g/EBW0.75.day. The estimated equation for net protein requirements for gain (g/day) was NPg = EBWG · 246.73 · EBW?0.1204, with a protein use efficiency for gain of 71.55%. The estimated requirements for energy and proteins were greater than the values reported for calves fed with milk. Milk replacers are less efficiently used by calves up to 60 days of age when compared with whole milk. MenosAbstract. This experiment aimed to estimate the energy and protein requirements for Holstein · Gyr calves up to 60 days of age fed with milk replacer and amino acid supplement. Fifty male calves were used, of which seven were randomly allocated into the reference group and slaughtered at 8 days of age, seven were randomly allocated into the maintenance group slaughtered at 30 days of age, and the 36 remaining calves were included in the experiment at 8 days of age and randomly supplied with four dietary methionine+cysteine: lysine ratios (RMCL; 44%, 48%, 52%, and 56%) through amino acid supplement added as 1 kg/day of milk replacer reconstituted at 13.8% of dry matter. Different RMCL were tested for the models, and there were no significant effects on energy and protein requirements. The net energy requirement for maintenance was 75.2 kcal/empty bodyweight (EBW)0.75.day, with an energy use efficiency for maintenance of 67.38%. The prediction equation of net energy requirement for gain (Mcal/day) was energy retained = 0.0879 · EBW0.75 · empty bodyweight gain (EBWG)0.7580, with an energy use efficiency for gain of 47.57%. The estimated requirements for metabolisable protein for maintenance were 4.83 g/EBW0.75.day. The estimated equation for net protein requirements for gain (g/day) was NPg = EBWG · 246.73 · EBW?0.1204, with a protein use efficiency for gain of 71.55%. The estimated requirements for energy and proteins were greater than the values reported for calves fed with m... Mostrar Tudo |
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Palavras-Chave: |
Comparative slaughter; Energy use efficiency; Pre-weaning calves. |
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Thesaurus Nal: |
Body composition. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02404naa a2200253 a 4500
001 2108298
005 2023-01-24
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1071/AN17562$2DOI
100 1 $aCHAGAS, J. C. C.
245 $aEnergy and protein requirements of crossbred Holstein x Gyr calves fed commercial milk replacer and amino acid supplement.$h[electronic resource]
260 $c2019
520 $aAbstract. This experiment aimed to estimate the energy and protein requirements for Holstein · Gyr calves up to 60 days of age fed with milk replacer and amino acid supplement. Fifty male calves were used, of which seven were randomly allocated into the reference group and slaughtered at 8 days of age, seven were randomly allocated into the maintenance group slaughtered at 30 days of age, and the 36 remaining calves were included in the experiment at 8 days of age and randomly supplied with four dietary methionine+cysteine: lysine ratios (RMCL; 44%, 48%, 52%, and 56%) through amino acid supplement added as 1 kg/day of milk replacer reconstituted at 13.8% of dry matter. Different RMCL were tested for the models, and there were no significant effects on energy and protein requirements. The net energy requirement for maintenance was 75.2 kcal/empty bodyweight (EBW)0.75.day, with an energy use efficiency for maintenance of 67.38%. The prediction equation of net energy requirement for gain (Mcal/day) was energy retained = 0.0879 · EBW0.75 · empty bodyweight gain (EBWG)0.7580, with an energy use efficiency for gain of 47.57%. The estimated requirements for metabolisable protein for maintenance were 4.83 g/EBW0.75.day. The estimated equation for net protein requirements for gain (g/day) was NPg = EBWG · 246.73 · EBW?0.1204, with a protein use efficiency for gain of 71.55%. The estimated requirements for energy and proteins were greater than the values reported for calves fed with milk. Milk replacers are less efficiently used by calves up to 60 days of age when compared with whole milk.
650 $aBody composition
653 $aComparative slaughter
653 $aEnergy use efficiency
653 $aPre-weaning calves
700 1 $aFERREIRA, M. A.
700 1 $aCAMPOS, M. M.
700 1 $aMACHADO, F. S.
700 1 $aSILVA, L. C.
700 1 $aFACIOLA, A.
700 1 $aMARCONDES, M. I.
773 $tAnimal Production Science$gv. 59, n. 5, p. 879-886, 2019.
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Embrapa Gado de Leite (CNPGL) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Recursos Genéticos e Biotecnologia. Para informações adicionais entre em contato com cenargen.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
03/05/2005 |
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Data da última atualização: |
10/05/2022 |
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Autoria: |
FELIPE, M. S. S.; ANDRADE, R. V.; ARRAES, F. B. M.; NICOLA, A. M.; MARANHÃO, A. Q.; TORRES, F. A. G.; SILVA-PEREIRA, I.; POÇAS-FONSECA, M. J.; CAMPOS, E. G.; MORAES, L. M. P.; ANDRADE, P. A.; TAVARES, A. H. F. P.; SILVA, S. S.; KYAW, C. M.; SOUZA, D. P.; PB GENOME NETWORK; PEREIRA, M.; JESUÍNO, R. S. A.; ANDRADE, E. V.; PARENTE, J. A.; OLIVEIRA, G. S.; BARBOSA, M. S.; MARTINS, N. F.; FACHIN, A. L.; CARDOSO, R. S.; PASSOS, G. A. S.; ALMEIDA, N. F.; WALTER, M. E. M. T.; SOARES, C. M. A.; CARVALHO, M. J. A.; BRÍGIDO, M. M. |
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Título: |
Transcriptional profiles of the human pathogenic fungus Paracoccidioides brasilienses in mycelium and yeast cells. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
JBC Papers, April 27, 2005. |
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Páginas: |
19 p. |
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Idioma: |
Inglês |
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Notas: |
JBC Papers in press. Published on 27 April, 2005 as manuscript M500625200. |
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Palavras-Chave: |
Doença na espécie humana; Paracoccidioides brasilienses. |
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Thesagro: |
Micélio; Patógeno. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01590naa a2200541 a 4500
001 1185636
005 2022-05-10
008 2005 bl uuuu u00u1 u #d
100 1 $aFELIPE, M. S. S.
245 $aTranscriptional profiles of the human pathogenic fungus Paracoccidioides brasilienses in mycelium and yeast cells.$h[electronic resource]
260 $c2005
300 $a19 p.
500 $aJBC Papers in press. Published on 27 April, 2005 as manuscript M500625200.
650 $aMicélio
650 $aPatógeno
653 $aDoença na espécie humana
653 $aParacoccidioides brasilienses
700 1 $aANDRADE, R. V.
700 1 $aARRAES, F. B. M.
700 1 $aNICOLA, A. M.
700 1 $aMARANHÃO, A. Q.
700 1 $aTORRES, F. A. G.
700 1 $aSILVA-PEREIRA, I.
700 1 $aPOÇAS-FONSECA, M. J.
700 1 $aCAMPOS, E. G.
700 1 $aMORAES, L. M. P.
700 1 $aANDRADE, P. A.
700 1 $aTAVARES, A. H. F. P.
700 1 $aSILVA, S. S.
700 1 $aKYAW, C. M.
700 1 $aSOUZA, D. P.
700 1 $aPB GENOME NETWORK
700 1 $aPEREIRA, M.
700 1 $aJESUÍNO, R. S. A.
700 1 $aANDRADE, E. V.
700 1 $aPARENTE, J. A.
700 1 $aOLIVEIRA, G. S.
700 1 $aBARBOSA, M. S.
700 1 $aMARTINS, N. F.
700 1 $aFACHIN, A. L.
700 1 $aCARDOSO, R. S.
700 1 $aPASSOS, G. A. S.
700 1 $aALMEIDA, N. F.
700 1 $aWALTER, M. E. M. T.
700 1 $aSOARES, C. M. A.
700 1 $aCARVALHO, M. J. A.
700 1 $aBRÍGIDO, M. M.
773 $tJBC Papers, April 27, 2005.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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