Effects of phenolic acid structures on meadow hay digestibility

M.A.M. Rodrigues, C.M. Guedes, J.W. Cone, A.H. van Gelder, L.M.M. Ferreira, C.A. Sequeira

Research output: Contribution to journalArticleAcademicpeer-review

12 Citations (Scopus)

Abstract

The objectives were to evaluate effects of phenolic acid content and composition on the digestibility of six meadow hays from Northern Portugal. Digestibility was assessed by gas production, in vitro and in situ degradation methods. Four cows fed diets at energy maintenance were used for in situ incubations and to provide rumen fluid for in vitro incubations. There were no relationships between phenolic acid concentrations and other cell wall components. The dry matter (DM) potential degradation (a + b) was positively related to the etherified fractions of ferulic acid (FAeth, P=0.012) and p-coumaric acid (PCAeth, P
Original languageEnglish
Pages (from-to)297-311
JournalAnimal Feed Science and Technology
Volume136
Issue number3-4
DOIs
Publication statusPublished - 2007

Keywords

  • neutral detergent fiber
  • cell-wall composition
  • in-vitro gas
  • digestion kinetics
  • lignin concentration
  • maize internodes
  • voluntary intake
  • klason lignin
  • mature ewes
  • forage

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