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Identification of Mycoplasma bovigenitalium and Mycoplasma canadense from outbreaks of granulopapular vulvovaginitis in dairy cattle in Israel
  1. I. Lysnyansky, PhD,
  2. J. Brenner, DVM,
  3. M. Bernstein, DVM,
  4. D. Elad, DVM, PhD,
  5. S. Blum, MSc, DVM,
  6. O. Friedgut, DVM,
  7. D. Rotenberg, DVM1,
  8. N. Alpert, DVM and
  9. A. Benjamin, DVM2
  1. 1 Kimron Veterinary Institute, PO Box 12, Bet Dagan 50250, Israel
  2. 2 ‘Hahaklait’, PO Box 3039, Caesarea 38900, Israel
  1. yakovb{at}


A syndrome in which white foci and granulopustular lesions appeared on the vaginal mucous membranes of Holstein cows in several dairy herds in Israel is described. During clinical and diagnostic investigations, Mycoplasma bovigenitalium was isolated from 11 of 20 clinical cases. Vaginal swabs taken from the same cows yielded three isolates of Mycoplasma canadense, which were all associated with the M bovigenitalium infection. Two isolates of small, round, non-enveloped viral particles were approximately 25 nm in diameter and characteristic of enteroviruses on negative-staining electron microscopy.

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