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dc.contributor.authorHervás, Gonzalo-
dc.contributor.authorFrutos, Pilar-
dc.contributor.authorSerrano, Emma-
dc.contributor.authorMantecón, Ángel R.-
dc.contributor.authorGiráldez, Francisco Javier-
dc.date.accessioned2008-06-04T10:08:27Z-
dc.date.available2008-06-04T10:08:27Z-
dc.date.issued2000-
dc.identifier.citationJournal of Agricultural Science, 2000, 135 (3), 305-310en_US
dc.identifier.issn0021-8596-
dc.identifier.urihttp://hdl.handle.net/10261/4794-
dc.descriptionhttp://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=60689&fulltextType=RA&fileId=S0021859699008151.en_US
dc.descriptionPreviously published as proceeding at the XXIX Jornadas de Estudio AIDA (VII Jornadas sobre Producción Animal) (Zaragoza, Spain, May 20-22, 1997). https://digital.csic.es/handle/10261/15774-
dc.description.abstractThe current experiment was conducted to study the effect of different doses of tannic acid, a hydrolysable tannin, on ruminal degradation and post-ruminal digestion of treated soya bean meals (SBM) in sheep. Samples of SBM were prepared by spraying 100 g SBM with 100 mi distilled water containing 0, 1, 5, 10, 15 or 25 g of commercial tannic acid (S-0, S-TA1, S-TA2, S-TA3, S-TA4 and S-TA5, respectively). Three ruminally cannulated awes, that had never consumed tannic acid previously, were used to determine in situ degradability of tannic acid-treated SBM. Intestinal digestibility of protein remaining after 16 h rumen incubation was estimated in vitro. Extent of rumen degradation of SBMs was significantly (P < 0.05) affected by the tannic acid treatment. All doses of tannic acid used in this experiment, even the lowest one (S-TA1), significantly decreased the extent of N degradation but only doses higher than that used to treat S-TA3 reduced the extent of DM degradation. This reduction in the extent of DM and N degradation was mainly due to a marked decrease in the immediately degradable fraction (a), which was observed in all treated SBM, and to a lower rate of degradation (c), observed in meals S-TA3, S-TA4 and S-TA5. Intestinal digestion of the non-degraded protein was decreased (P < 0.05) by treatment with the two highest doses of tannic acid (those used to treat meals S-TA4 and S-TA5). It was therefore concluded that tannic acid can exert a negative effect both on rumen degradation and on intestinal digestion of SBM, this effect being clearly dependent on the dose used to treat the SBM.en_US
dc.description.sponsorshipThis work was supported by the Inter-ministerial Commission of Science and Technology (CICYT) of Spain (Project AGF98-0874) and the Junta de Castilla y Leon (Project CSI 7/98).en_US
dc.format.extent252741 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherCambridge University Pressen_US
dc.rightsopenAccessen_US
dc.subjectCondensed tanninsen_US
dc.subjectIn-vitroen_US
dc.subjectEcological implicationsen_US
dc.subjectPolyethylene-glycolen_US
dc.subjectRuminantsen_US
dc.subjectProteinsen_US
dc.subjectEnzymesen_US
dc.subjectLeavesen_US
dc.subjectDietsen_US
dc.titleEffect of tannic acid on rumen degradation and intestinal digestion of treated soya bean meals in sheepen_US
dc.typeartículoen_US
dc.description.peerreviewedPeer revieweden_US
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.openairetypeartículo-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
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