Effects of essential oils on ruminal microorganisms and their protein metabolism

F. M. McIntosh, P. Williams, R. Losa, R. J. Wallace, D. A. Beever, C. J. Newbold

Research output: Contribution to journalArticlepeer-review

300 Citations (SciVal)

Abstract

A commercial blend of essential oil (EO) compounds was added to a grass, maize silage, and concentrate diet fed to dairy cattle in order to determine their influence on protein metabolism by ruminal microorganisms. EO inhibited (P <0.05) the rate of deamination of amino acids. Pure-culture studies indicated that the species most sensitive to EO were ammonia-hyperproducing bacteria and anaerobic fungi.

Original languageEnglish
Pages (from-to)5011-5014
Number of pages4
JournalApplied and Environmental Microbiology
Volume69
Issue number8
DOIs
Publication statusPublished - Aug 2003

Keywords

  • AMMONIA PRODUCTION
  • PEPTIDES
  • AMINO-ACIDS
  • GROWTH
  • MONENSIN
  • RUMEN BACTERIA
  • IONOPHORE TETRONASIN
  • SHEEP
  • PEPTOSTREPTOCOCCUS

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