Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/409
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dc.contributor.authorMikkelsen, Len
dc.contributor.authorJakobsen, Men
dc.contributor.authorJensen, BBen
dc.date.accessioned2008-06-13T14:58:00Z-
dc.date.issued2003-
dc.identifier.citationAnimal Feed Science and Technology, 109(1-4), p. 133-150en
dc.identifier.issn1873-2216en
dc.identifier.issn0377-8401en
dc.identifier.urihttps://hdl.handle.net/1959.11/409-
dc.description.abstractNewly weaned 4-week-old piglets were fed a semi-synthetic diet supplemented with 40 g fructo-oligosaccharides (FOS) or 40 g transgalacto-oligosaccharides (TOS) per kg replacing 20 g maize starch and 20 g cellulose per kg in the control diet. Faecal samples were collected on days 0, 3, 7, 14 and 28 after weaning and analysed for dry matter, pH, organic acid concentration and distribution, microbial populations and identity of dominant bacterial species able to ferment FOS. The oligosaccharide addition to diets had no effect on growth performance of the piglets. Dietary oligosaccharides and time after weaning did not affect faecal dry matter content. There was no effect of diet on faecal pH and total organic acid concentration, but the pH decreased (P < 0.001) and total organic acid concentration increased (P < 0.001) during the period after weaning. Faecal bacterial populations (total culturable anaerobic bacteria, lactic acid bacteria, lactobacilli, bifidobacteria, coliforms and lactose-negative enterobacteria) were not affected by diet. The faecal population of yeast was significantly higher in piglets fed the TOS-diet as compared to piglets fed the FOS-diet (P < 0.05) and control diet (P < 0.001). The population of yeast was also higher in piglets fed the FOS-diet as compared to those fed the control diet (P < 0.05). In the faeces of piglets fed the control diet, the level of FOS-degrading bacteria was significantly lower than the level of saccharolytic bacteria (P < 0.01). This difference was not observed in the faeces of piglets fed the FOS-diet, indicating that the microbial population changed in response to the dietary FOS. A 16S rDNA-based identification of the FOS-degrading bacteria indicated that several different species of bacteria present in faeces of piglets are able to ferment FOS. It was concluded that oligosaccharide supplementation in diets to piglets after weaning had no effect on growth performance, and no or little effect on physico-chemical characteristics and bacterial populations of faeces. A strong stimulating effect on the faecal population of yeast was observed and the impact of this on pig performance is discussed.en
dc.languageenen
dc.publisherElsevier BVen
dc.relation.ispartofAnimal Feed Science and Technologyen
dc.titleEffects of dietary oligosaccharides on microbial diversity and fructo-oligosaccharide degrading bacteria in faeces of piglets post-weaningen
dc.typeJournal Articleen
dc.identifier.doi10.1016/S0377-8401(03)00172-Xen
dc.subject.keywordsMicrobial Ecologyen
local.contributor.firstnameLen
local.contributor.firstnameMen
local.contributor.firstnameBBen
local.subject.for2008060504 Microbial Ecologyen
local.subject.seo630105 Pigsen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emaillmikkels@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordpes:5180en
local.publisher.placeNetherlandsen
local.format.startpage133en
local.format.endpage150en
local.identifier.scopusid0141504277en
local.peerreviewedYesen
local.identifier.volume109en
local.identifier.issue1-4en
local.contributor.lastnameMikkelsenen
local.contributor.lastnameJakobsenen
local.contributor.lastnameJensenen
dc.identifier.staffune-id:lmikkelsen
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:415en
dc.identifier.academiclevelAcademicen
local.title.maintitleEffects of dietary oligosaccharides on microbial diversity and fructo-oligosaccharide degrading bacteria in faeces of piglets post-weaningen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorMikkelsen, Len
local.search.authorJakobsen, Men
local.search.authorJensen, BBen
local.uneassociationUnknownen
local.year.published2003en
Appears in Collections:Journal Article
School of Environmental and Rural Science
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