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Registros recuperados : 350 | |
41. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | RODRIGUEZ, N. M.; ESCUDER, J. C.; MEDINA, A. R.; LIMA, M. A.; SIMAO NETO, M. Estudos de pastagens nativas em area de cerrado usando novilhos com fistula esofagica III. Composicao e seletividade quimica. In: REUNIAO DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 13., 1976, Salvador, BA. Anais. Salvador: SBZ, 1976. p.257-258. Biblioteca(s): Embrapa Cerrados. |
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43. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | ESCUDER, J. C.; RODRIGUEZ, N. M.; LIMA, M. A.; SIMAO NETO, M.; MEDINA, A. R. Estudos de pastagens nativas em area de cerrado usando novilhos com fistula esofagica IV. Consumo e digestibilidade. In: REUNIAO DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 13., 1976, Salvador, BA. Anais. Salvador: SBZ, 1976. p.259-261. Biblioteca(s): Embrapa Cerrados. |
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54. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | ROSERO, R.; SIMOES, E. de O.; GONCALVES, L. C.; RODRIGUEZ, N. M.; RODRIGUES, J. A. S. Modelos matemáticos para estimar os parâmetros de degradação de sorgo através das curvas de produção de gás. Pasturas Tropicales, Cali, v. 25, n. 1, p. 2-9, 2003. Biblioteca(s): Embrapa Milho e Sorgo. |
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57. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | CARVALHO, L. C.; GONCALVES, L. C.; RODRIGUEZ, N. M.; RODRIGUES, J. A. S.; BORGES, I. Teores de ácido cianídrico de nove cultivares de capim-sudão (Sorghum sudanense). Arquivo Brasileiro de Medicina Veterinaria e Zootecnia, Belo Horizonte, v. 50, n. 6, p. 745-746, 1998. Biblioteca(s): Embrapa Milho e Sorgo. |
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58. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GUIMARAES, A. M.; RODRIGUEZ, N. M.; SALIBA, E. de O. S. Valor nutritivo do residuo de cultura de milho, tratado com hidroxido de amonio ou suplementado com ureia, para ruminantes. III.Metabolismo do nitrogenio. Arquivos Brasileiro de Medicina Veterinaria e Zootecnia, Belo Horizonte, v.43, n.3, p.269-275, 1991. Biblioteca(s): Embrapa Caprinos e Ovinos. |
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59. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | AROEIRA, L. J. M.; MOREIRA, H. A.; RODRIGUEZ, N. M.; SAMPAIO, I. BM.; MARTINS, M. Utilizacao do fosforo de tres diferentes suplementos por ruminantes. Arquivos da Escola de Veterinaria, UFMG, v.31, n.2, p.243-253, ago. 1979. Biblioteca(s): Embrapa Pantanal. |
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Registros recuperados : 350 | |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
26/10/2018 |
Data da última atualização: |
24/01/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
RIBEIRO, C. G. S.; LOPES, F. C. F.; RODRIGUEZ, N. M.; GAMA, M. A. S. da; MORENZ, M. J. F. |
Afiliação: |
Carlos Gustavo Santos Ribeiro, IFB; FERNANDO CESAR FERRAZ LOPES, CNPGL; Norberto Mario Rodriguez, UFMG; MARCO ANTONIO SUNDFELD DA GAMA, CNPGL; MIRTON JOSE FROTA MORENZ, CNPGL. |
Título: |
Ruminal fermentation and degradation, kinetic flow of the digesta and milk fatty acid composition of cows fed chopped elephantgrass supplemented with soybean oil. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Semina: Ciências Agrárias, v. 39, n. 4, p. 1775-1794, 2018. |
Idioma: |
Inglês |
Conteúdo: |
Abstract The aim of this study was to evaluate the ruminal parameters of fermentation and degradation, kinetic flow of rumen digesta, and milk fatty acid composition of cows fed 52% chopped elephantgrass-based diets containing 0.0% (control), 1.5%, 3.0% and 4.5% soybean oil (SO) on a dry matter (DM) basis. Four rumen-cannulated Holstein x Gyr dairy cows with an average milk production of 15.6 ± 3.0 kg day-1 and 90 ± 25 days in milk were allocated in a 4 x 4 Latin square design. The results were analyzed by mixed models. Significant differences were declared at P≤0.05, and P-values from 0.05 < P ≤ 0.10 were considered as a trend. The inclusion of SO in the diet had no effect on the ruminal pH or total volatile fatty acid concentration, but there was a quadratic effect on the ruminal ammonia nitrogen content and a trend for a linear reduction (P=0.07) in the molar proportion of rumen acetate. Linear reductions were also observed in the DM and neutral detergent fiber (NDF) effective degradabilities of elephantgrass forage, but the fluid and particulate passage rates in the rumen and the DM and NDF intakes were unchanged by SO inclusion in the diet. Milk production, protein and lactose contents and yields were unaltered by dietary SO levels. There were linear reductions in the milk fat and total solids contents, but there was no effect of dietary treatments on their yields. The inclusion of soybean oil in the diet of Holstein x Gyr cows fed chopped elephantgrass improved the nutritional quality of milk fat as a result of increased contents of oleic, rumenic and vaccenic acids, which are beneficial to human health, and a concomitant reduction in hypercholesterolemic saturated fatty acids such as lauric, myristic and palmitic acids. MenosAbstract The aim of this study was to evaluate the ruminal parameters of fermentation and degradation, kinetic flow of rumen digesta, and milk fatty acid composition of cows fed 52% chopped elephantgrass-based diets containing 0.0% (control), 1.5%, 3.0% and 4.5% soybean oil (SO) on a dry matter (DM) basis. Four rumen-cannulated Holstein x Gyr dairy cows with an average milk production of 15.6 ± 3.0 kg day-1 and 90 ± 25 days in milk were allocated in a 4 x 4 Latin square design. The results were analyzed by mixed models. Significant differences were declared at P≤0.05, and P-values from 0.05 < P ≤ 0.10 were considered as a trend. The inclusion of SO in the diet had no effect on the ruminal pH or total volatile fatty acid concentration, but there was a quadratic effect on the ruminal ammonia nitrogen content and a trend for a linear reduction (P=0.07) in the molar proportion of rumen acetate. Linear reductions were also observed in the DM and neutral detergent fiber (NDF) effective degradabilities of elephantgrass forage, but the fluid and particulate passage rates in the rumen and the DM and NDF intakes were unchanged by SO inclusion in the diet. Milk production, protein and lactose contents and yields were unaltered by dietary SO levels. There were linear reductions in the milk fat and total solids contents, but there was no effect of dietary treatments on their yields. The inclusion of soybean oil in the diet of Holstein x Gyr cows fed chopped elephantgrass impr... Mostrar Tudo |
Palavras-Chave: |
Rate of passage; Ruminal metabolite. |
Thesagro: |
Pennisetum Purpureum. |
Thesaurus NAL: |
Conjugated linoleic acid. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/185222/1/Cnpgl-2018-Semina-CiAgr-Fernando-Ruminal.pdf
|
Marc: |
LEADER 02523naa a2200217 a 4500 001 2098300 005 2023-01-24 008 2018 bl uuuu u00u1 u #d 100 1 $aRIBEIRO, C. G. S. 245 $aRuminal fermentation and degradation, kinetic flow of the digesta and milk fatty acid composition of cows fed chopped elephantgrass supplemented with soybean oil.$h[electronic resource] 260 $c2018 520 $aAbstract The aim of this study was to evaluate the ruminal parameters of fermentation and degradation, kinetic flow of rumen digesta, and milk fatty acid composition of cows fed 52% chopped elephantgrass-based diets containing 0.0% (control), 1.5%, 3.0% and 4.5% soybean oil (SO) on a dry matter (DM) basis. Four rumen-cannulated Holstein x Gyr dairy cows with an average milk production of 15.6 ± 3.0 kg day-1 and 90 ± 25 days in milk were allocated in a 4 x 4 Latin square design. The results were analyzed by mixed models. Significant differences were declared at P≤0.05, and P-values from 0.05 < P ≤ 0.10 were considered as a trend. The inclusion of SO in the diet had no effect on the ruminal pH or total volatile fatty acid concentration, but there was a quadratic effect on the ruminal ammonia nitrogen content and a trend for a linear reduction (P=0.07) in the molar proportion of rumen acetate. Linear reductions were also observed in the DM and neutral detergent fiber (NDF) effective degradabilities of elephantgrass forage, but the fluid and particulate passage rates in the rumen and the DM and NDF intakes were unchanged by SO inclusion in the diet. Milk production, protein and lactose contents and yields were unaltered by dietary SO levels. There were linear reductions in the milk fat and total solids contents, but there was no effect of dietary treatments on their yields. The inclusion of soybean oil in the diet of Holstein x Gyr cows fed chopped elephantgrass improved the nutritional quality of milk fat as a result of increased contents of oleic, rumenic and vaccenic acids, which are beneficial to human health, and a concomitant reduction in hypercholesterolemic saturated fatty acids such as lauric, myristic and palmitic acids. 650 $aConjugated linoleic acid 650 $aPennisetum Purpureum 653 $aRate of passage 653 $aRuminal metabolite 700 1 $aLOPES, F. C. F. 700 1 $aRODRIGUEZ, N. M. 700 1 $aGAMA, M. A. S. da 700 1 $aMORENZ, M. J. F. 773 $tSemina: Ciências Agrárias$gv. 39, n. 4, p. 1775-1794, 2018.
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