2007
DOI: 10.1590/s0102-09352007000600029
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Cinética de degradação e fermentação ruminal da Brachiaria brizantha cv. marandu colhida em diferentes idades ao corte

Abstract: Avaliou-se a cinética de fermentação ruminal de capim-braquiarão cortado aos 28, 56, 84 e 112 dias de rebrota, mediante o uso da técnica in vitro semi-automática de produção de gases. A relação entre a digestibilidade da matéria seca e a produção acumulada de gases foi linear em todas as idades ao corte. O capim-braquiarão cortado aos 28 e aos 56 dias apresentou a maior taxa de produção de gases em torno das 18 horas de incubação, enquanto na forragem cortada aos 84 e 112 dias a maior taxa foi observada após 4… Show more

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Cited by 10 publications
(6 citation statements)
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“…This high content, shown in 2013, could be attributed to higher leaf production against stems since leaves carry the most nutrients, as shown in some previous reports. These results agree with those of Matos et al (2013), Silva and Queiroz (2006), Castro et al (2007), Serafim and Galbiatti (2012), Geron et al (2014) and Dupas et al (2010).…”
Section: Methodssupporting
confidence: 91%
“…This high content, shown in 2013, could be attributed to higher leaf production against stems since leaves carry the most nutrients, as shown in some previous reports. These results agree with those of Matos et al (2013), Silva and Queiroz (2006), Castro et al (2007), Serafim and Galbiatti (2012), Geron et al (2014) and Dupas et al (2010).…”
Section: Methodssupporting
confidence: 91%
“…The reduction in the time of colonisation are fostered by the presence of readily fermentable substrates and by physic and chemical characteristics of the cell wall of the sample, capable of facilitating the microbial colonisation. Castro et al (2007), in a study with cultivar Marandu at four cutting ages (28, 56, 84 and 112 days), obtained L values in the range from 1.24 up to 1.38, which is below the values obtained in here.…”
Section: Evaluation Of Tropical Foragescontrasting
confidence: 80%
“…Thus, the most fermentable or digestible forages would be those, which present the greatest values of maximum potential associated with high gas production rate, like- wise, resulting in more fermentation of the material in a shorter period of incubation. Castro et al (2007), in a study with Brachiaria brizantha cv. Marandu at three cutting ages found A values between 230 and 232 mL/g DM, which are values below the ones found in the present study, which has a more elevated LIG content than the above study.…”
Section: Evaluation Of Tropical Foragesmentioning
confidence: 99%
“…Já Faria Júnior (2012) encontrou valor médio de qm inferior (0,42) ao deste trabalho, não verificando também efeito da idade de corte sobre este parâmetro. Castro et al (2007) verificaram redução dos valores de qm com o avançar do estádio vegetativo. Diferentes valores de qm estão associados aos diferentes teores de energia bruta no alimento e das proporções de perdas de energia na urina e na forma de metano, que podem ser influenciados pela idade de corte das diferentes forrageiras.…”
Section: Parâmetrosunclassified