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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 Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
05/09/2017 |
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Data da última atualização: |
28/08/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
ROCHA, F. Y. O.; OLIEIRA, C. M. de; SILVA, P. R. A. da; MELO, L. H. V. de; CARMO, M. G. F. do; BALDANI, J. I. |
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Afiliação: |
FRANCINE YURIKO OTSUKA ROCHA, UFRRJ; CRISTIANA MAIA DE OLIVEIRA, UFRRJ; LEONA HENRIQUE VARIAL MARGARIDA GORÉTE FERREIRA DO CARMO JOSÉ IVOBALDANI, UFRRJ; LEONA HENRIQUE VARIAL DE MELO, INSTITUTO FEDERAL DE ALAGOAS; MARGARIDA GORÉTE FERREIRA DO CARMO, EX BOLSITA DA EMBRAPA AGROBIOLOGIA; JOSE IVO BALDANI, CNPAB. |
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Título: |
Taxonomical and functional characterization of Bacillus strains isolated from tomato plants and their biocontrol activity against races 1, 2 and 3 of Fusarium oxysporum f. sp. Lycopersici |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Applied Soil Ecology, London, v. 120, p. 8-19, 2017 |
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ISSN: |
0929-1393 |
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DOI: |
https://doi.org/10.1016/j.apsoil.2017.07.025 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed to select and identify phylogenetically bacteria belonging to the genus Bacillus that have antagonistic activity toward three races of the fungus Fusarium oxysporum f. sp. lycopersici (Fol) that colonizes tomato plants grown in infested areas and cause fusarium wilt. |
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Palavras-Chave: |
Endophytic bacteria; Growth promotion Biological control. |
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Thesaurus NAL: |
Fusarium wilt. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 01150naa a2200241 a 4500
001 2075070
005 2023-08-28
008 2017 bl uuuu u00u1 u #d
022 $a0929-1393
024 7 $ahttps://doi.org/10.1016/j.apsoil.2017.07.025$2DOI
100 1 $aROCHA, F. Y. O.
245 $aTaxonomical and functional characterization of Bacillus strains isolated from tomato plants and their biocontrol activity against races 1, 2 and 3 of Fusarium oxysporum f. sp. Lycopersici$h[electronic resource]
260 $c2017
520 $aThis study aimed to select and identify phylogenetically bacteria belonging to the genus Bacillus that have antagonistic activity toward three races of the fungus Fusarium oxysporum f. sp. lycopersici (Fol) that colonizes tomato plants grown in infested areas and cause fusarium wilt.
650 $aFusarium wilt
653 $aEndophytic bacteria
653 $aGrowth promotion Biological control
700 1 $aOLIEIRA, C. M. de
700 1 $aSILVA, P. R. A. da
700 1 $aMELO, L. H. V. de
700 1 $aCARMO, M. G. F. do
700 1 $aBALDANI, J. I.
773 $tApplied Soil Ecology, London$gv. 120, p. 8-19, 2017
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Embrapa Agrobiologia (CNPAB) |
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