Effect of supplementing tropical tannin-free and tanniniferous legumes to grass-fed sheep on the utility of their manure as nitrogen fertiliser

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cg.identifier.urlhttp://www.lrrd.org/lrrd21/3/tiem21041.htmen
cg.isijournalISI Journalen
cg.issn0121-3784en
cg.journalLivestock Research for Rural Developmenten
cg.reviewStatusPeer Reviewen
cg.subject.ciatLIVESTOCKen
cg.subject.ciatSOIL HEALTHen
cg.subject.ciatTROPICAL FORAGESen
cg.subject.ilriANIMAL FEEDINGen
cg.subject.ilriFORAGESen
dc.contributor.authorTiemann, Tassilo T.en
dc.contributor.authorHincapié Carvajal, Belisarioen
dc.contributor.authorFrossard, Emmanuelen
dc.contributor.authorKreuzer, M.en
dc.contributor.authorHess, H.D.en
dc.date.accessioned2014-09-24T08:41:38Zen
dc.date.available2014-09-24T08:41:38Zen
dc.identifier.urihttps://hdl.handle.net/10568/43108
dc.titleEffect of supplementing tropical tannin-free and tanniniferous legumes to grass-fed sheep on the utility of their manure as nitrogen fertiliseren
dcterms.abstractA pot experiment was conducted to assess the fertiliser value of faeces from sheep fed with a diet supplemented with legumes free of or containing condensed tannins. Ten animals received the same five diets in different experimental runs of a double Latin Square design, all consisting of a low quality tropical grass ration, supplemented with 450g/kg legumes. Legume treatments were either solely Vigna unguiculata (a tannin free herbaceous legume) or mixtures of V. unguiculata with either Calliandra calothyrsus or Flemingia macrophylla (both shrub legumes rich in condensed tannins) in ratios of 2:1 and 1:2. Faeces from animals receiving the same diets were pooled and applied at two levels (20 and 80 mg N/kg soil) to pots with seedlings from the cultivar Mulato II, a Brachiaria grass hybrid. An acidic infertile tropical soil was used. Aerial biomass yield and plant N content were evaluated. The results seem to indicate that the N fertiliser value of faeces from sheep receiving a diet supplemented with tanniniferous legumes is not substantially reduced compared to diets free of condensed tannins. However, the data also indicate that nitrogen was not the most limiting element in the soil used since mineral fertilisation without extra nitrogen was efficient, too.en
dcterms.accessRightsOpen Accessen
dcterms.bibliographicCitationTiemann T T, Hincapie B, Frossard E, Kreuzer M and Hess H D 2009: Effect of supplementing tropical tannin-free and tanniniferous legumes to grass-fed sheep on the utility of their manure as nitrogen fertiliser. Livestock Research for Rural Development. Volume 21, Article #41. Retrieved May 20, 2014, from http://www.lrrd.org/lrrd21/3/tiem21041.htmen
dcterms.issued2009en
dcterms.languageenen
dcterms.subjectfeed cropsen
dcterms.subjectvigna unguiculataen
dcterms.subjectflemingia macrophyllaen
dcterms.subjectcalliandra calothyrsusen
dcterms.subjectbrachiariaen
dcterms.subjectsheepen
dcterms.subjectfeed supplementsen
dcterms.subjectovinosen
dcterms.subjectsuplementos de piensosen
dcterms.typeJournal Articleen

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