Effect of fungal treatments of fibrous agricultural by-products on chemical composition and in vitro rumen fermentation and methane production

D.V. Tuyen, H.N. Phuong, J.W. Cone, J.J.P. Baars, A.S.M. Sonnenberg, W.H. Hendriks

Research output: Contribution to journalArticleAcademicpeer-review

45 Citations (Scopus)

Abstract

Maize stover, rice straw, oil palm fronds and sugarcane bagasse were treated with the white-rot fungi Ceriporiopsis subvermispora, Lentinula edodes, Pleurotus eryngii, or Pleurotus ostreatus at 24 °C for 0–6 weeks. The fungi increased total gas production from oil palm fronds by 68–132%, but none of the fungi improved the in vitro rumen fermentability of maize stover. C. subvermispora and L. edodes increased total gas production of sugarcane bagasse by 65–71%, but P. eryngii and P. ostreatus decreased it by 22–50%. There was a linear relationship (P <0.05) between the proportion of lignin in the original substrate and the increase in in vitro gas production observed for C. subvermispora and L. edodes treatments (R2 = 0.92 and 0.96, respectively). It is concluded that C. subvermispora and L. edodes have a particularly high potential to improve the nutritive value of highly lignified ruminant feeds.
Original languageEnglish
Pages (from-to)256-263
JournalBioresource Technology
Volume129
DOIs
Publication statusPublished - 2013

Keywords

  • white-rot fungi
  • wheat-straw
  • rice straw
  • invitro digestibility
  • pleurotus-ostreatus
  • digestion kinetics
  • sugarcane bagasse
  • detergent fiber
  • animal feed
  • lignin

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