Rumen degradation characteristics of perennial ryegrass cultivars during the growing season

B.M. Tas, H.Z. Taweel, H.J. Smit, A. Elgersma, J. Dijkstra, S. Tamminga

Research output: Contribution to journalArticleAcademicpeer-review

30 Citations (Scopus)

Abstract

The objective of this experiment was to evaluate the effects of sward characteristics and chemical composition of eight diploid perennial ryegrass cultivars during the growing season on degradation characteristics in the rumen of dairy cows. As part of an indoor-feeding experiment with dairy cows, sward characteristics were measured, and samples of cultivars were collected on two consecutive days during seven periods throughout the summer. Cultivars did not differ (P>0.05) in sward characteristics. Two cultivars had higher concentrations of water-soluble carbohydrates (WSC, P25 g/kg DM) than among cultivars (
Original languageEnglish
Pages (from-to)102-119
JournalAnimal Feed Science and Technology
Volume131
Issue number1-2
DOIs
Publication statusPublished - 2006

Keywords

  • water-soluble carbohydrate
  • neutral detergent fiber
  • in-sacco degradation
  • grass lolium-perenne
  • dairy-cows
  • crude protein
  • intracellular constituents
  • chemical-composition
  • mathematical-models
  • animal nutrition

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