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| Registros recuperados : 7 | |
| Registros recuperados : 7 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
05/02/2013 |
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Data da última atualização: |
23/01/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
AZEVÊDO, J. A. G.; VALADARES FILHO, S. DE C.; DETMANN, E.; PINA, D. DOS S.; PAULINO, M. F.; VALADARES, R. F. D.; PEREIRA, L. G. R.; LIMA, J. C. M. |
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Afiliação: |
JOSÉ AUGUSTO GOMES AZEVÊDO, UESC; SEBASTIÃO DE CAMPOS VALADARES FILHO, UFV; EDENIO DETMANN, UFV; DOUGLAS DOS SANTOS PINA, UFMT; MÁRIO FONSECA PAULINO, UFV; RILENE FERREIRA DINIZ VALADARES, UFV; LUIZ GUSTAVO RIBEIRO PEREIRA, CNPGL; JÉSSIKA CAROLINA MOUTINHO LIMA, UFV. |
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Título: |
In situ and in vitro degradation kinetics and prediction of the digestible neutral detergent fiber of agricultural and agro-industrial byproducts |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, v. 41, n. 8, p. 1890-1898, 2012. |
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DOI: |
https://doi.org/10.1590/S1516-35982012000800013 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to evaluate the in situ and in vitro degradation kinetics and to predict the digestible neutral detergent fiber (dNDF) from the incubation times; in situ and in vitro degradation kinetic parameters; and equations fitted for agricultural and agro-industrial byproducts. Byproducts from pineapple, cocoa, palm kernel, corn gluten meal, common bean, sunflower, guava, cassava bark, cassava stems, cassava foliage, papaya, mango, passion fruit and turnips were evaluated. There were differences between the byproducts as for the potentially neutral detergent fiber (NDF) fraction and the in situ NDF degradation rate in the final volume of the gases generated by fibrous carbohydrates (FC), for the lag time and for the in vitro fractional degradation rate of the FC. There was equivalence between the dNDF values predicted in situ and those observed in vivo; however, there was low precision of estimates. The degradability in the in vitro incubation times of 30 and 48 hours presented equivalence with the values observed, but also did not present precision in the estimates. The equations fitted without lignin were not precise and accurate to estimate the dNDF of agricultural and agro-industrial byproducts. The equation with lignin and with the digestion rate obtained by the in vitro method presented more precise estimates. Byproducts from common bean, cassava bark and papaya presented greater NDF availability, whereas those of guava had the lowest NDF availability. The digestible NDF fraction was best predicted with the in situ incubation time of 72 hours. The equation fitted utilizing in vitro or in situ digestion rates enables the prediction of the NDF availability of agricultural and agroindustrial byproducts. MenosThe objective of this study was to evaluate the in situ and in vitro degradation kinetics and to predict the digestible neutral detergent fiber (dNDF) from the incubation times; in situ and in vitro degradation kinetic parameters; and equations fitted for agricultural and agro-industrial byproducts. Byproducts from pineapple, cocoa, palm kernel, corn gluten meal, common bean, sunflower, guava, cassava bark, cassava stems, cassava foliage, papaya, mango, passion fruit and turnips were evaluated. There were differences between the byproducts as for the potentially neutral detergent fiber (NDF) fraction and the in situ NDF degradation rate in the final volume of the gases generated by fibrous carbohydrates (FC), for the lag time and for the in vitro fractional degradation rate of the FC. There was equivalence between the dNDF values predicted in situ and those observed in vivo; however, there was low precision of estimates. The degradability in the in vitro incubation times of 30 and 48 hours presented equivalence with the values observed, but also did not present precision in the estimates. The equations fitted without lignin were not precise and accurate to estimate the dNDF of agricultural and agro-industrial byproducts. The equation with lignin and with the digestion rate obtained by the in vitro method presented more precise estimates. Byproducts from common bean, cassava bark and papaya presented greater NDF availability, whereas those of guava had the lowest NDF availabi... Mostrar Tudo |
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Palavras-Chave: |
Carboidratos fibrosos; Degradação de rúmen; Produção de gás; Resíduos. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/948362/1/In-situ-and-in-vitro-degradation-kinetics-and-prediction-of-the-digestible-neutral.pdf
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Marc: |
LEADER 02660naa a2200265 a 4500
001 1948362
005 2023-01-23
008 2012 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1590/S1516-35982012000800013$2DOI
100 1 $aAZEVÊDO, J. A. G.
245 $aIn situ and in vitro degradation kinetics and prediction of the digestible neutral detergent fiber of agricultural and agro-industrial byproducts$h[electronic resource]
260 $c2012
520 $aThe objective of this study was to evaluate the in situ and in vitro degradation kinetics and to predict the digestible neutral detergent fiber (dNDF) from the incubation times; in situ and in vitro degradation kinetic parameters; and equations fitted for agricultural and agro-industrial byproducts. Byproducts from pineapple, cocoa, palm kernel, corn gluten meal, common bean, sunflower, guava, cassava bark, cassava stems, cassava foliage, papaya, mango, passion fruit and turnips were evaluated. There were differences between the byproducts as for the potentially neutral detergent fiber (NDF) fraction and the in situ NDF degradation rate in the final volume of the gases generated by fibrous carbohydrates (FC), for the lag time and for the in vitro fractional degradation rate of the FC. There was equivalence between the dNDF values predicted in situ and those observed in vivo; however, there was low precision of estimates. The degradability in the in vitro incubation times of 30 and 48 hours presented equivalence with the values observed, but also did not present precision in the estimates. The equations fitted without lignin were not precise and accurate to estimate the dNDF of agricultural and agro-industrial byproducts. The equation with lignin and with the digestion rate obtained by the in vitro method presented more precise estimates. Byproducts from common bean, cassava bark and papaya presented greater NDF availability, whereas those of guava had the lowest NDF availability. The digestible NDF fraction was best predicted with the in situ incubation time of 72 hours. The equation fitted utilizing in vitro or in situ digestion rates enables the prediction of the NDF availability of agricultural and agroindustrial byproducts.
653 $aCarboidratos fibrosos
653 $aDegradação de rúmen
653 $aProdução de gás
653 $aResíduos
700 1 $aVALADARES FILHO, S. DE C.
700 1 $aDETMANN, E.
700 1 $aPINA, D. DOS S.
700 1 $aPAULINO, M. F.
700 1 $aVALADARES, R. F. D.
700 1 $aPEREIRA, L. G. R.
700 1 $aLIMA, J. C. M.
773 $tRevista Brasileira de Zootecnia$gv. 41, n. 8, p. 1890-1898, 2012.
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Embrapa Gado de Leite (CNPGL) |
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