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28. | | ANJOS, J. R. N. dos; CHARCHAR, M. J. A.; PINTO, A. C. Q.; RAMOS, V. H. V. Associacao de Fusarium sacchari com a malformacao vegetativa da mangueira. Fitopatologia Brasileira, Brasilia, v.23, n.1, p.75-77, 1998. Vargas Ramos, V.H. Biblioteca(s): Embrapa Cerrados. |
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34. | | CORDEIRO, M. C. R.; PINTO, A. C. Q.; RAMOS, V. H. V.; FALEIRO, F. G.; FRAGA, L. M. S. Identificação da origem genética de plântulas em sementes poliembriônicas de mangueira (Mangifera indica,L.) CV. Rosinha por meio de marcadores RAPD. Revista Brasileira de Fruticultura, Jaboticabal, v. 28, n. 3, p. 454-457, dez. 2006. Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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37. | | PINTO, A. C. Q.; FALEIRO, F. G.; RAMOS, V. H. V.; CORDEIRO, M. C. R.; ANDRADE, S. R. M. de; JUNQUEIRA, N. T. V.; DIAS, J. N. Performance of seven new mango (Mangifera indica L.) hybrid selections at the Central Region of Brazil. Acta Horticulturae, Leuven, n. 820, p. 137-145, abr. 2009. Edição do Proceedings of the 8 International Mango Symposium, Sun City, South Africa, Abril, 2009. Biblioteca(s): Embrapa Cerrados. |
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Registros recuperados : 55 | |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
09/12/2016 |
Data da última atualização: |
30/01/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
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. |
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. |
Título: |
Energy and protein requirements of young Holstein calves in tropical condition. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Tropical Animal Health and Production, n. 48, p. 1387-1394, 2016. |
Idioma: |
Inglês |
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. |
Palavras-Chave: |
Comparative slaughter; Efficiency of utilization; Growth; Maintenance; Metabolizable protein. |
Thesaurus NAL: |
Dairy calves; Holstein; metabolizable energy; Slaughter. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/151547/1/Cnpgl-2016-TropAnimHealthProd-Energy.pdf
|
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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Embrapa Gado de Leite (CNPGL) |
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