Diagnostic evidence of Staphylococcus warneri as a possible cause of bovine abortion

Robert Barigye, Lynn Schaan, Penelope S. Gibbs, Ev Schamber, Neil W. Dyer

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Following a routine necropsy of a bovine fetus aborted at 5 months of gestation, placenta, fetal tissue samples, and stomach contents were subjected to a number of laboratory tests. Staphylococcus warneri was isolated in pure culture from the lung, liver, and stomach contents, whereas the placenta yielded S. warneri and a number of contaminants. Gross evaluation of agar plates showed predominant colonies to be morphologically consistent with those of S. warneri and the identity of the agent was further confirmed on a Trek Diagnostic Systems Sensititre, gram-positive identification (GPID) plate. Microscopic evaluation of fetal tissue sections showed extensive necrotizing lesions of the tongue, lung, and placenta in which there were numerous coccoid shaped gram-positive bacteria with morphology consistent with Staphylococcus spp. These results provide strong diagnostic evidence of S. warneri as a possible cause of bovine abortion and suggest there should be further investigations into the abortivirulence of this agent.

Original languageEnglish
Pages (from-to)694-696
Number of pages3
JournalJournal of Veterinary Diagnostic Investigation
Issue number6
Publication statusPublished - Nov 2007
Externally publishedYes


  • Abortion
  • Bovine fetus
  • Staphylococcus warneri

ASJC Scopus subject areas

  • General Veterinary


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