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dc.contributor.authorPermana, Idat Galih
dc.contributor.authorDespal
dc.date.accessioned2010-08-07T03:39:18Z
dc.date.available2010-08-07T03:39:18Z
dc.date.issued2009
dc.identifier.urihttp://repository.ipb.ac.id/handle/123456789/36247
dc.description.abstractA research /0 smdy about macramineral solubilities and biodegradation ofsome tree legumes by rumen microbes has been conducted. The legumes of Pteracarpus indirus (PI), Sesbania grodifloro (SG), Gliricidia septum (GS). Callyandra cattotyrsus (CC) and Leucoena teucacepbato ([l) were used in this experiment. The oven dried (6(f'C) and ground samples ofthe legumes were measured oftheir in vitro macrominerals solubilities. biodegradation, bioavoilabiliry, and fermentation products. The macrominerals (Calcium (Ca), phosphorus (P), magnesium (Mg) and sulfur (S)) solubilities were determined using atomic absarpfion spectrophotometer (AAS). The gas production was measured using Hahenheim '~~i method. The ruminal DM degradation and gas productions rotes were catcutated usingformula y = a + '1 ~'\ lJ(l-e~) according to @rskov and McDonald (/979). The results showed that biodegradation and \: cumulative gas production of selected tree legume were relatively !fIe same. However. the gas ., '.0' production rote ofSG and GS were significantly higher. There was no difference on VFA production, .'.: ,.. but SG produced more NHJ than other tree legumes. Co was more soluble than other mocrominerals. ~. j The Co and Mg sall/bility afLL were siginificonrly higher, while PI WQS a good saluble P source. GS isı a good protein source and can be mixed widr other legume as mineral supplement.id
dc.publisherIPB (Bogor Agricultural University)
dc.titleThe solubilization of macrominerals and ruminals degradation of selected tropical tree legumesid


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