Forage quality of 'capim-capivara' on lowlands in the central region of Rio Grande do Sul, Brazil/Qualidade forrageira do capim-capivara em areas de varzea, na regiao central do Rio Grande do Sul, Brasil

Hymenachne amplexicaulis (capim-capivara) is a semi-aquatic stoloniferous grass which forms dense monospecific stands in seasonally flooded environments and along riverbanks in tropical and subtropical wetlands. For determining the bromatologic quality and digestibility of Hymenachne amplexicaulis g...

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Veröffentlicht in:Ciência rural 2011-05, Vol.41 (5), p.883
Hauptverfasser: Sturza, Vinicius Soares, Machado, Sergio Luiz de Oliveira, da Silva, Keli Souza, dos Santos, Aline Bosak
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Machado, Sergio Luiz de Oliveira
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dos Santos, Aline Bosak
description Hymenachne amplexicaulis (capim-capivara) is a semi-aquatic stoloniferous grass which forms dense monospecific stands in seasonally flooded environments and along riverbanks in tropical and subtropical wetlands. For determining the bromatologic quality and digestibility of Hymenachne amplexicaulis grass placed in lowlands, samples were collected in Formigueiro, Santa Maria and Sao Vicente do Sul, municipalities of Rio Grande do Sul, Brazil., Dry matter (DM), crude protein (CP), acid detergent fiber (ADF), neutral detergent fiber (NDF), organic matter (OM), mineral matter (MM), and organic matter digestibility (DOM) levels were determined in laboratory. The results for these variables, in mean values, were 23.24%, 7.42 (%DM), 67.01 (%DM), 35.75 (%DM), 91.44 (%DM), 8.55 (%DM) and 55.41% (DIVMO) respectively. H. amplexicaulis, sampled on Depressao Central lowland areas, has bromatologic quality for animal feeding; despite reduced both crude protein and digestibility values found at the stage evaluated. Key words: Hymenachne amplexicaulis, digestibility, weed, Poaceae, nutritional value. Hymenachne amplexicaulis (capim-capivara) e uma graminea semi-aquatica, estolonifera, que pode estabelecer densas formacoes em ambientes que se inundam e nas margens de rios em regioes tropicais e subtropicais. Com o objetivo de determinar a qualidade bromatologica e a digestibilidade de H. amplexicaulis presente em areas de varzea, foram realizadas coletas nos municipios de Formigueiro, Santa Maria e Sao Vicente do Sul, municipios da Depressao Central do Rio Grande do Sul, Brasil. Foram determinados os teores de materia seca (MS), proteina bruta (PB), fibra em detergente acido (FDA), fibra em detergente neutro (FDN), materia organica (MO), materia mineral (MM) e digestibilidade in vitro da materia organica (DIVMO), que apresentaram valores medios 23,24%, 7,42 (%MS), 67,01 (%AMS), 35,75 (%MS), 91,44 (%MS), 8,55 (%MS) e 55,41% (DIVMO), respectivamente. H. amplexicaulis, coletado em areas de varzea na regiao central do RS, apresenta qualidade bromatologica para uso na alimentacao animal, apesar dos reduzidos valores de proteina bruta e digestibilidade encontrados no estadio avaliado. Palavras-chave: Hymenachne amplexicaulis, digestibilidade, planta daninha, Poaceae, valor nutritivo.
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For determining the bromatologic quality and digestibility of Hymenachne amplexicaulis grass placed in lowlands, samples were collected in Formigueiro, Santa Maria and Sao Vicente do Sul, municipalities of Rio Grande do Sul, Brazil., Dry matter (DM), crude protein (CP), acid detergent fiber (ADF), neutral detergent fiber (NDF), organic matter (OM), mineral matter (MM), and organic matter digestibility (DOM) levels were determined in laboratory. The results for these variables, in mean values, were 23.24%, 7.42 (%DM), 67.01 (%DM), 35.75 (%DM), 91.44 (%DM), 8.55 (%DM) and 55.41% (DIVMO) respectively. H. amplexicaulis, sampled on Depressao Central lowland areas, has bromatologic quality for animal feeding; despite reduced both crude protein and digestibility values found at the stage evaluated. Key words: Hymenachne amplexicaulis, digestibility, weed, Poaceae, nutritional value. Hymenachne amplexicaulis (capim-capivara) e uma graminea semi-aquatica, estolonifera, que pode estabelecer densas formacoes em ambientes que se inundam e nas margens de rios em regioes tropicais e subtropicais. Com o objetivo de determinar a qualidade bromatologica e a digestibilidade de H. amplexicaulis presente em areas de varzea, foram realizadas coletas nos municipios de Formigueiro, Santa Maria e Sao Vicente do Sul, municipios da Depressao Central do Rio Grande do Sul, Brasil. Foram determinados os teores de materia seca (MS), proteina bruta (PB), fibra em detergente acido (FDA), fibra em detergente neutro (FDN), materia organica (MO), materia mineral (MM) e digestibilidade in vitro da materia organica (DIVMO), que apresentaram valores medios 23,24%, 7,42 (%MS), 67,01 (%AMS), 35,75 (%MS), 91,44 (%MS), 8,55 (%MS) e 55,41% (DIVMO), respectivamente. H. amplexicaulis, coletado em areas de varzea na regiao central do RS, apresenta qualidade bromatologica para uso na alimentacao animal, apesar dos reduzidos valores de proteina bruta e digestibilidade encontrados no estadio avaliado. 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For determining the bromatologic quality and digestibility of Hymenachne amplexicaulis grass placed in lowlands, samples were collected in Formigueiro, Santa Maria and Sao Vicente do Sul, municipalities of Rio Grande do Sul, Brazil., Dry matter (DM), crude protein (CP), acid detergent fiber (ADF), neutral detergent fiber (NDF), organic matter (OM), mineral matter (MM), and organic matter digestibility (DOM) levels were determined in laboratory. The results for these variables, in mean values, were 23.24%, 7.42 (%DM), 67.01 (%DM), 35.75 (%DM), 91.44 (%DM), 8.55 (%DM) and 55.41% (DIVMO) respectively. H. amplexicaulis, sampled on Depressao Central lowland areas, has bromatologic quality for animal feeding; despite reduced both crude protein and digestibility values found at the stage evaluated. Key words: Hymenachne amplexicaulis, digestibility, weed, Poaceae, nutritional value. Hymenachne amplexicaulis (capim-capivara) e uma graminea semi-aquatica, estolonifera, que pode estabelecer densas formacoes em ambientes que se inundam e nas margens de rios em regioes tropicais e subtropicais. Com o objetivo de determinar a qualidade bromatologica e a digestibilidade de H. amplexicaulis presente em areas de varzea, foram realizadas coletas nos municipios de Formigueiro, Santa Maria e Sao Vicente do Sul, municipios da Depressao Central do Rio Grande do Sul, Brasil. Foram determinados os teores de materia seca (MS), proteina bruta (PB), fibra em detergente acido (FDA), fibra em detergente neutro (FDN), materia organica (MO), materia mineral (MM) e digestibilidade in vitro da materia organica (DIVMO), que apresentaram valores medios 23,24%, 7,42 (%MS), 67,01 (%AMS), 35,75 (%MS), 91,44 (%MS), 8,55 (%MS) e 55,41% (DIVMO), respectivamente. H. amplexicaulis, coletado em areas de varzea na regiao central do RS, apresenta qualidade bromatologica para uso na alimentacao animal, apesar dos reduzidos valores de proteina bruta e digestibilidade encontrados no estadio avaliado. 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For determining the bromatologic quality and digestibility of Hymenachne amplexicaulis grass placed in lowlands, samples were collected in Formigueiro, Santa Maria and Sao Vicente do Sul, municipalities of Rio Grande do Sul, Brazil., Dry matter (DM), crude protein (CP), acid detergent fiber (ADF), neutral detergent fiber (NDF), organic matter (OM), mineral matter (MM), and organic matter digestibility (DOM) levels were determined in laboratory. The results for these variables, in mean values, were 23.24%, 7.42 (%DM), 67.01 (%DM), 35.75 (%DM), 91.44 (%DM), 8.55 (%DM) and 55.41% (DIVMO) respectively. H. amplexicaulis, sampled on Depressao Central lowland areas, has bromatologic quality for animal feeding; despite reduced both crude protein and digestibility values found at the stage evaluated. Key words: Hymenachne amplexicaulis, digestibility, weed, Poaceae, nutritional value. Hymenachne amplexicaulis (capim-capivara) e uma graminea semi-aquatica, estolonifera, que pode estabelecer densas formacoes em ambientes que se inundam e nas margens de rios em regioes tropicais e subtropicais. Com o objetivo de determinar a qualidade bromatologica e a digestibilidade de H. amplexicaulis presente em areas de varzea, foram realizadas coletas nos municipios de Formigueiro, Santa Maria e Sao Vicente do Sul, municipios da Depressao Central do Rio Grande do Sul, Brasil. Foram determinados os teores de materia seca (MS), proteina bruta (PB), fibra em detergente acido (FDA), fibra em detergente neutro (FDN), materia organica (MO), materia mineral (MM) e digestibilidade in vitro da materia organica (DIVMO), que apresentaram valores medios 23,24%, 7,42 (%MS), 67,01 (%AMS), 35,75 (%MS), 91,44 (%MS), 8,55 (%MS) e 55,41% (DIVMO), respectivamente. H. amplexicaulis, coletado em areas de varzea na regiao central do RS, apresenta qualidade bromatologica para uso na alimentacao animal, apesar dos reduzidos valores de proteina bruta e digestibilidade encontrados no estadio avaliado. Palavras-chave: Hymenachne amplexicaulis, digestibilidade, planta daninha, Poaceae, valor nutritivo.</abstract><pub>Universidade Federal de Santa Maria</pub></addata></record>
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