Large intestinal fermentation capacity of fattening pigs on organic farms as measured in vitro using contrasting substrates

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Abstract

Background In accordance with the EU regulations, organic farms require pigs to be fed diets high in fibre, which may impact on the pigs' large intestinal fermentation capacity. The ability of pigs to ferment non-starch polysaccharides (NSP) depends on characteristics of the dietary NSP source and microbes present in the large intestine of pigs. Little information exists on the fibre fermentation capacity of organically raised pigs. The aim of this study was to determine the variation in fibre fermentation capacity of fattening pigs within and between organic farms using an in vitro batch culture method and three contrasting substrates: oligofructose, soy pectin and cellulose. Results Pigs from different organic farms showed varying fermentation capacities as assessed by gas production, kinetics and fermentation end-products formed (P¿
Original languageEnglish
Pages (from-to)2402-2409
JournalJournal of the Science of Food and Agriculture
Volume93
Issue number10
DOIs
Publication statusPublished - 2013

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Keywords

  • gas-production kinetics
  • dietary fiber
  • gastrointestinal-tract
  • growing pigs
  • stomached animals
  • digestibility
  • temperature
  • microbiota
  • digestion
  • feces

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