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| Freitas,Rafaela Scalise Xavier de; Nepomuceno,Delci de Deus; Modesto,Elisa Cristina; Pereira,Tatiana Pires; Almeida,João Carlos de Carvalho; Morais,Leonardo Fiusa de; Pereira,Luiz Gustavo Ribeiro; Machado,Fernanda Samarini; Campos,Mariana Magalhaes; Tomich,Thierry Ribeiro. |
| Abstract: The objective of this work was to evaluate the effect of the addition of the methanolic extract of Urochloa humidicola at four different concentrations (0, 75, 150, and 250 g L-1) on the in vitro rumen fermentation of Urochloa brizantha. The following variables were evaluated by the in vitro gas production technique: kinetic parameters; rumen degradation of dry matter; and production and concentration of the methane and carbon dioxide gases and of the acetate, propionate, and butyrate short-chain fatty acids. The addition of the methanolic extract reduces the production of gases generated from the degradation of non-fibrous carbohydrates (fraction A) in 9.55, 6.67, and 13.33%, respectively, at the concentrations of 75, 150, and 250 g L-1,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Urochloa humidicola; Methane mitigation; Rumen metabolism; Secondary plant metabolites. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000400504 |
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| Pereira,Tatiana Pires; Modesto,Elisa Cristina; Nepomuceno,Delci de Deus; Oliveira,Osniel Faria de; Freitas,Rafaela Scalise Xavier de; Muir,James Pierre; Dubeux Junior,José Carlos Batista; Almeida,João Carlos de Carvalho. |
| Abstract: The objective of this work was to characterize condensed tannins (CT) from six tropical forage legumes and to determine their biological activity. The monomers propelargonidin, prodelphinidin and procyanidin were analyzed, as well as extractable condensed tannin (ECT), protein-bound CT (PBCT) and fiber-bound CT (FBCT), molecular weight, degree of polymerization, polydispersity index, and biological activity by protein precipitate by phenols (PPP) of leaves of the legumes Cajanus cajan, Gliricidia sepium, Stylosanthes capitata x Stylosanthes macrocephala (stylo), Flemingia macrophylla, Cratylia argentea, and Mimosa caesalpiniifolia, and of the bark of this latter species. Differences were observed in the concentrations of ECT, PBCT, PPP, and total... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Forage legumes; Phenols; Procyanidins; Prodelphinidins; Protein. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000901070 |
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| Morais,Leonardo Fiusa de; Almeida,João Carlos de Carvalho; Nepomuceno,Delci de Deus; Morenz,Mirton José Frota; Melo,Bárbara Maria Gomes de; Freitas,Rafaela Scalise Xavier de. |
| Abstract: The objective of this work was to evaluate the use of soybean (Glycine max), pigeon pea (Cajanus cajan), and jack bean (Canavalia ensiformis) as urease sources for elephant grass (Pennisetum purpureum) hay ammoniated with urea. The experimental design was completely randomized in a double factorial arrangement with one additional treatment: 4 urease source levels x 3 urease sources + 1 control. Chemical-bromatological analyses and carbohydrate fractionation were performed in the hay, and cumulative gas production in vitro was determined. There were interactions between urease level and source for neutral detergent fiber and acid detergent fiber, in which 1 and 2% jack bean lowered acid detergent fiber values, and 2% jack bean and 3% soybean... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cajanus cajan; Canavalia ensiformis; Pennisetum purpureum; Non-protein nitrogen; Roughage. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017001201268 |
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