2008
DOI: 10.1590/s0103-90162008000600005
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In situ degradability of corn stover and elephant-grass harvested at four stages of maturity

Abstract: Among tropical forages, corn silage is largely used by farmers trying to explore the maximum genetic potential from the animals. However, other tropical forages, such as elephant-grass (Pennisetum purpureum), are more productive and therefore cheaper to use than corn silage. Our objective was to compare the in situ degradability of elephant-grass with that from corn hybrids, all harvested at four stages of maturity. The experimental design followed a randomized block design with nested subplots. Two corn hybri… Show more

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Cited by 15 publications
(9 citation statements)
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“…The values obtained for the DM b fraction and c for CS in this study are similar to those reported in Silva et al (2008) but results from the two studies differ in that the a fraction is lower in the current study than in [10]. Further, [10] pointed out that the high value for the a fraction of CS in their study could be explained by the lower NDF content across four stage of maturity tested.…”
Section: In Situ Degradability Parameters and Effective Degradabilitysupporting
confidence: 83%
See 1 more Smart Citation
“…The values obtained for the DM b fraction and c for CS in this study are similar to those reported in Silva et al (2008) but results from the two studies differ in that the a fraction is lower in the current study than in [10]. Further, [10] pointed out that the high value for the a fraction of CS in their study could be explained by the lower NDF content across four stage of maturity tested.…”
Section: In Situ Degradability Parameters and Effective Degradabilitysupporting
confidence: 83%
“…Further, [10] pointed out that the high value for the a fraction of CS in their study could be explained by the lower NDF content across four stage of maturity tested.…”
Section: In Situ Degradability Parameters and Effective Degradabilitymentioning
confidence: 82%
“…The decline in DM and CP rumen degradability with plant maturity has been reported widely (Aufrère et al, 2003;Yu et al, 2004;Rodrigues et al, 2004;Silva et al, 2008;Belachew et al, 2013;Ribeiro Junior et al, 2014). This reduction in disappearance could be explained by the decrease in protein content and increase in ADL content of grass with maturity.…”
Section: Discussionmentioning
confidence: 79%
“…Reduction of DM degradability with increasing regrowth age has been reported for several tropical forages (Coblentz et al, 1998;Aguiar et al, 1999;Rodrigues et al, 2004;Silva et al, 2008). This reduction of DM degradability with grass maturity is explained by the increase in stem/leaf ratio and reduction of stem nutritional quality (Nelson andMoser, 1994, Wilson andHatfield, 1997).…”
Section: Resultsmentioning
confidence: 88%
“…It is well known that vegetative pastures have better nutritional quality than mature pastures, but they also have lower dry matter (DM) yield and high moisture content which may result in secondary fermentation, production of silage effluents and spoilage of the silage (McDonald et al, 1991). At more advanced maturity, DM yield is higher and DM content (30 to 35% DM) of the pasture can be more favorable for silage production, but the high cell wall and lignin content can limit intake and nutritional value of the forage (Van Soest, 1994). Therefore, it was our aim to compare the in situ rumen degradability characteristics of A. gayanus grass silage, harvested at three stages of maturity.…”
Section: Introductionmentioning
confidence: 99%