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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
09/12/2016 |
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Data da última atualização: |
30/01/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
RODRIGUES, J. P. P.; LIMA, J. C. M.; CASTRO, M. M. D.; VALADARES FILHO, S. de C.; CAMPOS, M. M.; CHIZOTTI, M. L.; MARCONDES, M. I. |
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Afiliação: |
João Paulo Pacheco Rodrigues, UFV; Jessika Carolina Moutinho Lima, UFV; Marcelo Messias Duarte Castro, UFV; Sebastião de Campos Valadares Filho, UFV; MARIANA MAGALHAES CAMPOS, CNPGL; Mário Luiz Chizzotti, UFV; Marcos Inácio Marcondes, UFV. |
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Título: |
Energy and protein requirements of young Holstein calves in tropical condition. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Tropical Animal Health and Production, n. 48, p. 1387-1394, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
Our objective was to estimate the energy and protein requirements of Holstein young calves up to 87 days old. Forty-two Holstein calves aged 4 days were used. From these, ten were randomly selected and slaughtered to compose the baseline slaughter (BS) group. The remaining calves were randomly assigned to eight treatments in a 4 × 2 factorial using a completely randomized design. The treatments were 2, 4, 6, and 8 kg/day of milk (297 g/kg CP; 319 g/kg of fat) fed twice daily, and then harvested at 59 or 87 days of age. Calves were fed a starter (193 g/kg CP; 133 g/kg NDF) ad libitum in all treatments. The calves slaughtered at 87 days of age had milk replaced by Coast-cross (Cynodoon sp.) hay (125 g/kg CP; 728 g/kg NDF). The net requirement of energy for maintenance (NEm) was 0.36 MJ/kg EBWG, with efficiency of utilization of energy for maintenance (km) of 59.4 %. The equation obtained to estimate the net requirement of energy for gain (NEg; MJ/d) was 4.40 × EBW0.099, with the efficiency of utilization of energy for gain (kg) equal to 46.5 %. The observed requirements of net and metabolizable protein for maintenance (NPm and MPm) were 3.67 and 3.88 g/kg BW0.75, respectively. The efficiency of use of metabolizable protein for maintenance (kpm) was 94.6 %. The predicted requirements were higher than those observed in the literature, and this study demonstrated that the requirements of newborn calves are higher than the recommended. |
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Palavras-Chave: |
Comparative slaughter; Efficiency of utilization; Growth; Maintenance; Metabolizable protein. |
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Thesaurus Nal: |
Dairy calves; Holstein; metabolizable energy; Slaughter. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/151547/1/Cnpgl-2016-TropAnimHealthProd-Energy.pdf
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Marc: |
LEADER 02339naa a2200301 a 4500
001 2058344
005 2023-01-30
008 2016 bl uuuu u00u1 u #d
100 1 $aRODRIGUES, J. P. P.
245 $aEnergy and protein requirements of young Holstein calves in tropical condition.$h[electronic resource]
260 $c2016
520 $aOur objective was to estimate the energy and protein requirements of Holstein young calves up to 87 days old. Forty-two Holstein calves aged 4 days were used. From these, ten were randomly selected and slaughtered to compose the baseline slaughter (BS) group. The remaining calves were randomly assigned to eight treatments in a 4 × 2 factorial using a completely randomized design. The treatments were 2, 4, 6, and 8 kg/day of milk (297 g/kg CP; 319 g/kg of fat) fed twice daily, and then harvested at 59 or 87 days of age. Calves were fed a starter (193 g/kg CP; 133 g/kg NDF) ad libitum in all treatments. The calves slaughtered at 87 days of age had milk replaced by Coast-cross (Cynodoon sp.) hay (125 g/kg CP; 728 g/kg NDF). The net requirement of energy for maintenance (NEm) was 0.36 MJ/kg EBWG, with efficiency of utilization of energy for maintenance (km) of 59.4 %. The equation obtained to estimate the net requirement of energy for gain (NEg; MJ/d) was 4.40 × EBW0.099, with the efficiency of utilization of energy for gain (kg) equal to 46.5 %. The observed requirements of net and metabolizable protein for maintenance (NPm and MPm) were 3.67 and 3.88 g/kg BW0.75, respectively. The efficiency of use of metabolizable protein for maintenance (kpm) was 94.6 %. The predicted requirements were higher than those observed in the literature, and this study demonstrated that the requirements of newborn calves are higher than the recommended.
650 $aDairy calves
650 $aHolstein
650 $ametabolizable energy
650 $aSlaughter
653 $aComparative slaughter
653 $aEfficiency of utilization
653 $aGrowth
653 $aMaintenance
653 $aMetabolizable protein
700 1 $aLIMA, J. C. M.
700 1 $aCASTRO, M. M. D.
700 1 $aVALADARES FILHO, S. de C.
700 1 $aCAMPOS, M. M.
700 1 $aCHIZOTTI, M. L.
700 1 $aMARCONDES, M. I.
773 $tTropical Animal Health and Production$gn. 48, p. 1387-1394, 2016.
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Registro original: |
Embrapa Gado de Leite (CNPGL) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Tabuleiros Costeiros. Para informações adicionais entre em contato com cpatc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Tabuleiros Costeiros. |
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Data corrente: |
05/11/2008 |
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Data da última atualização: |
12/02/2009 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
SANTOS, A. R. F. dos; MANN, R. S.; FERREIRA, R. A.; CARVALHO, S. V. A.; GÓIS, I. B.; SOUZA, E. M. de; SILVA, A. V. C. da. |
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Afiliação: |
Allívia Rouse Ferreira dos Santos, Universidade Federal de Sergipe; Renata Silva Mann, Universidade Federal de Sergipe; Robério Anastácio Ferreira, Universidade Federal de Sergipe; Sheila Valéria Álvares Carvalho, Universidade Federal de Sergipe; Itamara Bonfim Góis, Universidade Federal de Sergipe; Érica Moraes de Souza, Universidade Federal de Lavras; Ana Veruska Cruz da Silva, Embrapa Tabuleiros Costeiros. |
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Título: |
Diversidade genética de jenipapo (Genipa americana) em trecho de mata ciliar do baixo curos do rio São Francisco sergipano. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 20.; ANNUAL MEETING OF THE INTERAMERICAN SOCIETY FOR TROPICAL HORTICULTURE, 54., 2008, Vitória. Frutas para todos: estratégias, tecnologias e visão sustentável. Vitória: Sociedade Brasileira de Fruticultura, 2008. Melhoramento genético - bioestatístitca. 1 CD-ROM. |
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Idioma: |
Português |
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Palavras-Chave: |
Rio São Francisco. |
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Thesagro: |
Jenipapo. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00903naa a2200205 a 4500
001 1365691
005 2009-02-12
008 2008 bl uuuu u00u1 u #d
100 1 $aSANTOS, A. R. F. dos
245 $aDiversidade genética de jenipapo (Genipa americana) em trecho de mata ciliar do baixo curos do rio São Francisco sergipano.
260 $c2008
650 $aJenipapo
653 $aRio São Francisco
700 1 $aMANN, R. S.
700 1 $aFERREIRA, R. A.
700 1 $aCARVALHO, S. V. A.
700 1 $aGÓIS, I. B.
700 1 $aSOUZA, E. M. de
700 1 $aSILVA, A. V. C. da
773 $tIn: CONGRESSO BRASILEIRO DE FRUTICULTURA, 20.; ANNUAL MEETING OF THE INTERAMERICAN SOCIETY FOR TROPICAL HORTICULTURE, 54., 2008, Vitória. Frutas para todos: estratégias, tecnologias e visão sustentável. Vitória: Sociedade Brasileira de Fruticultura, 2008. Melhoramento genético - bioestatístitca. 1 CD-ROM.
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