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| Registros recuperados : 94 | |
| 22. |  | REIS, R. A.; RODRIGUES, L. R. A.; RODRIGUES, A. de A.; VILELA, C. P.; ROSA, B. Avaliação de fontes de amônia para o tratamento de volumosos. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 30., 1993, Rio de Janeiro, RJ. Anais... Rio de Janeiro: SBZ, 1993. p. 102.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 25. | | PEREIRA, J. R. A.; REIS, R. A.; RODRIGUES, L. R. A.; FREITAS, D. Effect of supplements on forage degradability of Brachiaria brizantha cv. Marandu grazed by steers. In: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro, SP. Grassland ecosystems: an outlook into the 21st century: proceedings. Brasília, DF: Sociedade Brasileira de Zootecnia; Piracicaba: FEALQ, 2001. p. 696-697.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 26. | | SOUZA FILHO, A. P. S.; RODRIGUES, T. J. D.; RODRIGUES, L. R. A.; REIS, R. A. Effects of aqueous extracts of Leucaena on germination and radicle elongation of three forage grasses. In: MACIAS, F. A.; GALINDO, J. C. G.; MOLINILLO, J. M. G.; CUTLER, H. G. Recent advances in allelopathy: a science for the future. Cadiz: International Allelopathy Society, 1999. v. 1, p. 391-396.| Biblioteca(s): Embrapa Amapá; Embrapa Amazônia Oriental. |
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| 33. | | CALUCA, J. F.; REIS, R. A.; MANNHEIMER, S.; CARAMASCHI, E. P. Dieta de Raphiodon vulpinus agassiz, 1829 (Characiformes, Cynodontidae), antes e durante a formacao do reservatorio do AHE Serra da Mesa, GO. In: CONGRESSO BRASILEIRO DE ZOOLOGIA, 23., 2000, Cuiaba, MT. Programa e resumos. Cuiaba: Sociedade Brasileira de Zoologia, 2000. p.418.| Biblioteca(s): Embrapa Cerrados. |
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| 36. | | FAVORETTO, V.; TONINI JUNIOR, R.; REIS, R. A.; RODRIGUES, L. R. de A. Efeito da altura e da frequencia de corte sobre a producao, composicao bromatologica e vigor de rebrota do capim-coloniao. Pesquisa Agropecuaria Brasileira, Brasilia, v.22, n.11/12, p.1279-1285, nov./dez/1987.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 38. | | JOBIM, C. C.; REIS, R. A.; RODRIGUES, L. R. de A.; SCHOCKEN-ITURRINO, R.P. Presença de microrganismos na silagem de grãos úmidos de milho ensilado com diferentes proporções de sabugo. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 32, n. 2, p. 201-204, fev. 1997. Título em inglês: Microorganisms in the high-moisture corn grain silage with different proportions of the cob.| Biblioteca(s): Embrapa Unidades Centrais. |
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| Registros recuperados : 94 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
24/12/2014 |
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Data da última atualização: |
24/12/2014 |
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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: |
CANESIN, R. C.; BERCHIELLI, T. T.; MESSANA, J. D.; BALDI, F.; PIRES, A. V.; FRIGHETTO, R. T. S.; FIORENTINI, G.; REIS, R. A. |
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Afiliação: |
ROBERTA CARRILHO CANESIN, FCAV-UNESP; TELMA TERESINHA BERCHIELLI, FCAV-UNESP; JULIANA DUARTE MESSANA, FCAV-UNESP; FERNANDO BALDI, FCAV-UNESP; ALEXANDRE VAZ PIRES, ESALQ-USP; ROSA TOYOKO SHIRAISHI FRIGHETTO, CNPMA; GIOVANI FIORENTINI, FCAV-UNESP; RICARDO ANDRADE REIS, FCAV-UNESP. |
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Título: |
Effects of supplementation frequency on the ruminal fermentation and enteric methane production of beef cattle grazing in tropical pastures. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, Brasília, DF, v. 43, n. 11 , p. 590-600, 2014. |
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DOI: |
http://dx.doi.org/10.1590/S1516-35982014001100005 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The objective of this study was to evaluate the characteristics of ruminal fermentation and enteric methane production in beef cattle subjected to different supplementation frequencies while grazing on Brachiaria brizantha cv. Marandu pastures. Nine cattle (325±65.7 kg BW) fitted with ruminal and duodenal cannulas were used in the ruminal fermentation study, and 12 cattle (399±32.6 kg BW) were used in the enteric methane production study. The treatments included supplementation once daily, supplementation once daily except Saturdays and Sundays, or supplementation on alternate days. The supplementation was equivalent to 10 g kg ?1 BW day ?1 for all treatments. The design employed was completely randomized with three treatments and three replications. When all supplements were provided (day 1), no effects of supplementation frequency were observed on ruminal pH; concentration of NH 3 -N; concentration of acetic, propionic, or butyric acids; or total volatile fatty acids (VFA), but there were month effects. During the day on which only daily supplements were provided (day 2), significant differences were observed only on the molar concentration of acetic acid and total VFA; and month effects were noted on all variables. No significant differences were observed in ruminal fluid volume, dilution rate, N intake, bacterial N synthesis and enteric methane production among the studied supplementation frequencies. Differences were observed in the enteric methane production in the different months, with 85 g kg ?1 of gross energy intake observed in September and 123 g kg ?1 of gross energy intake observed in November. Lower supplementation frequency is a good option to lower labor costs with little or no consequences on ruminal fermentation characteristics and enteric methane production. MenosAbstract: The objective of this study was to evaluate the characteristics of ruminal fermentation and enteric methane production in beef cattle subjected to different supplementation frequencies while grazing on Brachiaria brizantha cv. Marandu pastures. Nine cattle (325±65.7 kg BW) fitted with ruminal and duodenal cannulas were used in the ruminal fermentation study, and 12 cattle (399±32.6 kg BW) were used in the enteric methane production study. The treatments included supplementation once daily, supplementation once daily except Saturdays and Sundays, or supplementation on alternate days. The supplementation was equivalent to 10 g kg ?1 BW day ?1 for all treatments. The design employed was completely randomized with three treatments and three replications. When all supplements were provided (day 1), no effects of supplementation frequency were observed on ruminal pH; concentration of NH 3 -N; concentration of acetic, propionic, or butyric acids; or total volatile fatty acids (VFA), but there were month effects. During the day on which only daily supplements were provided (day 2), significant differences were observed only on the molar concentration of acetic acid and total VFA; and month effects were noted on all variables. No significant differences were observed in ruminal fluid volume, dilution rate, N intake, bacterial N synthesis and enteric methane production among the studied supplementation frequencies. Differences were observed in the enteric methane production ... Mostrar Tudo |
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Palavras-Chave: |
Bacterial N synthesis; N-alkane; Ruminal methane; Tropical pasture. |
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Thesagro: |
Fermentação; Gado de corte; Metano; Ruminação; Suplemento alimentar. |
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Thesaurus NAL: |
Beef cattle; Dietary supplements; Methane; nutrient intake; Rumen fermentation; volatile fatty acids. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/114440/1/2014AP039.pdf
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|
Marc: |
LEADER 03042naa a2200397 a 4500
001 2003695
005 2014-12-24
008 2014 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1590/S1516-35982014001100005$2DOI
100 1 $aCANESIN, R. C.
245 $aEffects of supplementation frequency on the ruminal fermentation and enteric methane production of beef cattle grazing in tropical pastures.$h[electronic resource]
260 $c2014
520 $aAbstract: The objective of this study was to evaluate the characteristics of ruminal fermentation and enteric methane production in beef cattle subjected to different supplementation frequencies while grazing on Brachiaria brizantha cv. Marandu pastures. Nine cattle (325±65.7 kg BW) fitted with ruminal and duodenal cannulas were used in the ruminal fermentation study, and 12 cattle (399±32.6 kg BW) were used in the enteric methane production study. The treatments included supplementation once daily, supplementation once daily except Saturdays and Sundays, or supplementation on alternate days. The supplementation was equivalent to 10 g kg ?1 BW day ?1 for all treatments. The design employed was completely randomized with three treatments and three replications. When all supplements were provided (day 1), no effects of supplementation frequency were observed on ruminal pH; concentration of NH 3 -N; concentration of acetic, propionic, or butyric acids; or total volatile fatty acids (VFA), but there were month effects. During the day on which only daily supplements were provided (day 2), significant differences were observed only on the molar concentration of acetic acid and total VFA; and month effects were noted on all variables. No significant differences were observed in ruminal fluid volume, dilution rate, N intake, bacterial N synthesis and enteric methane production among the studied supplementation frequencies. Differences were observed in the enteric methane production in the different months, with 85 g kg ?1 of gross energy intake observed in September and 123 g kg ?1 of gross energy intake observed in November. Lower supplementation frequency is a good option to lower labor costs with little or no consequences on ruminal fermentation characteristics and enteric methane production.
650 $aBeef cattle
650 $aDietary supplements
650 $aMethane
650 $anutrient intake
650 $aRumen fermentation
650 $avolatile fatty acids
650 $aFermentação
650 $aGado de corte
650 $aMetano
650 $aRuminação
650 $aSuplemento alimentar
653 $aBacterial N synthesis
653 $aN-alkane
653 $aRuminal methane
653 $aTropical pasture
700 1 $aBERCHIELLI, T. T.
700 1 $aMESSANA, J. D.
700 1 $aBALDI, F.
700 1 $aPIRES, A. V.
700 1 $aFRIGHETTO, R. T. S.
700 1 $aFIORENTINI, G.
700 1 $aREIS, R. A.
773 $tRevista Brasileira de Zootecnia, Brasília, DF$gv. 43, n. 11 , p. 590-600, 2014.
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Embrapa Meio Ambiente (CNPMA) |
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