Comparison fermentation kinetics (in vitro) of grass and shrub legume leaves: The pattern of VFA concentration, estimated CH4 and microbial biomass production

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dc.creatorWidiawati, Y
dc.creatorThalib, A
dc.date2012-02-05
dc.date.accessioned2018-06-04T06:47:12Z
dc.date.available2018-06-04T06:47:12Z
dc.date.issued2012-02-05
dc.descriptionIn the process of fermentation, rumen microbes normally convert major fractions of carbohydrates and proteins in a feed to useful end-products (i.e. VFA, microbial protein and B-vitamins) and some waste products (i.e. CH4 and CO2). The pattern of these end-products depend largely on the fraction contained in the feed eaten by the animal. Two types of feeds, namely grass and shrub legume, leucaena have different fraction proportions. Grass contains more fibre but less protein compared to shrub legumes. Thus in the rumen they might be fermented to produce different pattern of end products. The experiment was conducted in order to examine the pattern of VFA, CH4 and microbial protein products of the two types of feeds when fermented in the rumen. In vitro method was used to determine the pattern of these end products. Results showed that the grass produced more total VFA/mg organic matter degraded (0.0229 mM/mg vs 0.0075 mM/mg) and CH4 gas  (0.20 mole/mg  vs 0.09 mole/mg) but less propionate in partial and less microbial protein (2646 g vs 2656 g ) compared to the legume. Approximately 32% less CH4 (per mg OM degraded) would be produced from leucaena compared to that produced from grass, which mean that there will be less energy loss as CH4 thus more energy for animal production. Key Words: Grass, Shrub Legume, Volatile Fatty Acids, CH4, Microbial Proteinen-US
dc.formatapplication/pdf
dc.identifierhttp://medpub.litbang.pertanian.go.id/index.php/jitv/article/view/546
dc.identifier10.14334/jitv.v12i2.546
dc.identifier.urihttps://repository.pertanian.go.id/handle/123456789/2778
dc.languageeng
dc.publisherIndonesian Animal Sciences Societyen-US
dc.relationhttp://medpub.litbang.pertanian.go.id/index.php/jitv/article/view/546/555
dc.rightsCopyright (c) 1970 Indonesian Journal of Animal and Veterinary Sciencesen-US
dc.rightshttp://creativecommons.org/licenses/by/4.0en-US
dc.source2252-696X
dc.source0853-7380
dc.sourceIndonesian Journal of Animal and Veterinary Sciences; Vol 12, No 2 (2007): JUNE 2007; p.96-104en-US
dc.titleComparison fermentation kinetics (in vitro) of grass and shrub legume leaves: The pattern of VFA concentration, estimated CH4 and microbial biomass productionen-US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typePeer-reviewed Articleen-US
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