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| Registros recuperados : 47 | |
| 8. |  | QUEIROZ, A. C. de; LEMENAGER, R. P.; HENDRIX, K. S.; FONTES, C. A. A. Efeito do tratamento da palha de trigo com amônia anidra sobre proteína bruta, digestibilidade in vitro da matéria seca e os componentes da fibra, após vários tempos de amonização e períodos de aeração. Revista Brasileira de Zootecnia, v. 21, n. 6, p. 1020-1028, 1992.| Biblioteca(s): Embrapa Trigo. |
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| 15. | | GONCALVES, A. L.; LANA, R. de P.; RODRIGUES, M. T.; VIEIRA, R. A. M.; QUEIROZ, A. C. de. Comportamento alimentar de cabras leiteiras submetidas a dietas com diferente relação volumoso:concentrado. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 37., 2000, Viçosa, MG. Anais... Viçosa, MG: Sociedade Brasileira de Zootecnia, 2000. 3 f. 1 CD ROM.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 16. | | GONCALVES, A. L.; LANA, R. de P.; RODRIGUES, M. T.; VIEIRA, R. A. M.; QUEIROZ, A. C. de. Cinetica de degradacao de alguns volumosos usados na alimentacao de cabras leiteiras por intermedio da tecnica de producao de gases sob diferentes niveis de pH. In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 38., 2001, Piracicaba, SP. Anais... Piracicaba: FEALQ, 2001. p.1224-1226.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 18. | | BARROS, E. E. L. de; MANCIO, A. B.; QUEIROZ, A. C. de; MENIN, E.; RODRIGUES FILHO, M.; HENRIQUES, L. T. Biometria dos orgaos de cabritos alimentados com colostro fermentado de vaca e tratados com zeranol. In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 38., 2001, Piracicaba, SP. Anais... Piracicaba: FEALQ, 2001. p.1289-1290.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 19. | | COSTA, R. G.; RESENDE, K. T. de; RODRIGUES, M. T.; ESPECHIT, C. B.; QUEIROZ, A. C. de. Exigências de minerais para cabras durante a gestação: Na, K, Mg, S, Fe e Zn. Revista Brasileira de Zootecnia, Brasília, v. 32, n. 2, p. 431-436, mar./abr., 2003.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
25/09/2012 |
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Data da última atualização: |
28/09/2017 |
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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: |
MIRANDA, L. F.; RODRIGUEZ, N. M.; PEREIRA, E. S.; QUEIROZ, A. C. de; SAINZ, R. D.; PIMENTEL, P. G.; GONTIJO NETO, M. M. |
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Afiliação: |
MIGUEL MARQUES GONTIJO NETO, CNPMS. |
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Título: |
Chemical composition and ruminal degradation kinetics of crude protein and amino acids, and intestinal digestibility of amino acids from tropical forages. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, Viçosa, MG, v. 41, n. 3, p. 717-725, 2012. |
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DOI: |
10.1590/S1516-35982012000300035 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this research was to determine the chemical composition and ruminal degradation of the crude protein (CP), total and individual amino acids of leaves from tropical forages: perennial soybean (Neonotonia wightii), cassava (Manihot esculenta), leucaena (Leucaena leucocephala) and ramie (Boehmeria nivea), and to estimate the intestinal digestibility of the rumen undegradable protein (RUDP) and individual amino acids of leaves from the tropical forages above cited, but including pigeon pea (Cajanus cajan). Three nonlactating Holstein cows were used to determine the in situ ruminal degradability of protein and amino acids from leaves (6, 18 and 48 hours of ruminal incubation). For determination of the intestinal digestibility of RUDP, the residue from ruminal incubation of the materials was used for 18 hours. A larger concentration of total amino acids for ramie and smaller for perennial soybean were observed; however, they were very similar in leucaena and cassava. Leucine was the essential amino acid of greater concentration, with the exception of cassava, which exhibited a leucine concentration 40.45% smaller. Ramie showed 14.35 and 22.31% more lysine and methionine, respectively. The intestinal digestibility of RUDP varied from 23.56; 47.87; 23.48; 25.69 and 10.86% for leucaena, perennial soybean, cassava, ramie and pigeon pea, respectively. The individual amino acids of tropical forage disappeared in different extensions in the rumen. For the correct evaluation of those forages, one should consider their composition of amino acids, degradations and intestinal digestibility, once the amino acid composition of the forage does not reflect the amino acid profiles that arrived in the small intestine. Differences between the degradation curves of CP and amino acids indicate that degradation of amino acids cannot be estimated through the degradation curve of CP, and that amino acids are not degraded in a similar degradation profile. MenosThe objective of this research was to determine the chemical composition and ruminal degradation of the crude protein (CP), total and individual amino acids of leaves from tropical forages: perennial soybean (Neonotonia wightii), cassava (Manihot esculenta), leucaena (Leucaena leucocephala) and ramie (Boehmeria nivea), and to estimate the intestinal digestibility of the rumen undegradable protein (RUDP) and individual amino acids of leaves from the tropical forages above cited, but including pigeon pea (Cajanus cajan). Three nonlactating Holstein cows were used to determine the in situ ruminal degradability of protein and amino acids from leaves (6, 18 and 48 hours of ruminal incubation). For determination of the intestinal digestibility of RUDP, the residue from ruminal incubation of the materials was used for 18 hours. A larger concentration of total amino acids for ramie and smaller for perennial soybean were observed; however, they were very similar in leucaena and cassava. Leucine was the essential amino acid of greater concentration, with the exception of cassava, which exhibited a leucine concentration 40.45% smaller. Ramie showed 14.35 and 22.31% more lysine and methionine, respectively. The intestinal digestibility of RUDP varied from 23.56; 47.87; 23.48; 25.69 and 10.86% for leucaena, perennial soybean, cassava, ramie and pigeon pea, respectively. The individual amino acids of tropical forage disappeared in different extensions in the rumen. For the correct evaluat... Mostrar Tudo |
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Palavras-Chave: |
Digestão intestinal. |
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Thesagro: |
Aminoácido; Digestibilidade; Forragem; Proteína. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/66761/1/Chemical-composition.pdf
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Marc: |
LEADER 02850naa a2200265 a 4500
001 1934544
005 2017-09-28
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1590/S1516-35982012000300035$2DOI
100 1 $aMIRANDA, L. F.
245 $aChemical composition and ruminal degradation kinetics of crude protein and amino acids, and intestinal digestibility of amino acids from tropical forages.$h[electronic resource]
260 $c2012
520 $aThe objective of this research was to determine the chemical composition and ruminal degradation of the crude protein (CP), total and individual amino acids of leaves from tropical forages: perennial soybean (Neonotonia wightii), cassava (Manihot esculenta), leucaena (Leucaena leucocephala) and ramie (Boehmeria nivea), and to estimate the intestinal digestibility of the rumen undegradable protein (RUDP) and individual amino acids of leaves from the tropical forages above cited, but including pigeon pea (Cajanus cajan). Three nonlactating Holstein cows were used to determine the in situ ruminal degradability of protein and amino acids from leaves (6, 18 and 48 hours of ruminal incubation). For determination of the intestinal digestibility of RUDP, the residue from ruminal incubation of the materials was used for 18 hours. A larger concentration of total amino acids for ramie and smaller for perennial soybean were observed; however, they were very similar in leucaena and cassava. Leucine was the essential amino acid of greater concentration, with the exception of cassava, which exhibited a leucine concentration 40.45% smaller. Ramie showed 14.35 and 22.31% more lysine and methionine, respectively. The intestinal digestibility of RUDP varied from 23.56; 47.87; 23.48; 25.69 and 10.86% for leucaena, perennial soybean, cassava, ramie and pigeon pea, respectively. The individual amino acids of tropical forage disappeared in different extensions in the rumen. For the correct evaluation of those forages, one should consider their composition of amino acids, degradations and intestinal digestibility, once the amino acid composition of the forage does not reflect the amino acid profiles that arrived in the small intestine. Differences between the degradation curves of CP and amino acids indicate that degradation of amino acids cannot be estimated through the degradation curve of CP, and that amino acids are not degraded in a similar degradation profile.
650 $aAminoácido
650 $aDigestibilidade
650 $aForragem
650 $aProteína
653 $aDigestão intestinal
700 1 $aRODRIGUEZ, N. M.
700 1 $aPEREIRA, E. S.
700 1 $aQUEIROZ, A. C. de
700 1 $aSAINZ, R. D.
700 1 $aPIMENTEL, P. G.
700 1 $aGONTIJO NETO, M. M.
773 $tRevista Brasileira de Zootecnia, Viçosa, MG$gv. 41, n. 3, p. 717-725, 2012.
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