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Investigation and management of a cluster of cases of equine retained fetal membranes in Highland ponies
  1. N. P. H. Hudson, MA, VetMB, PhD, DipVetClinStud, CertEM(IntMed), MRCVS1,
  2. D. R. Prince, DVM, MRCVS1,*,
  3. I. G. Mayhew, BVSc, PhD, DipACVIM, DipECVN, FRCVS1 and
  4. E. D. Watson, BVMS, MVM, PhD, DipECAR, DSc, FRCVS1
  1. 1Division of Veterinary Clinical Studies, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Veterinary Centre, Easter Bush, Roslin, Midlothian EH25 9RG

Abstract

Four at-risk Highland ponies on the same premises all retained their fetal membranes in the same breeding season. The ponies were treated with a combination of oxytocin, infusion and distension of the allantochorionic sac with fluid, gentle traction in one case, and supportive therapy. The possible causes of the condition were investigated with clinicopathological tests and analyses of the herbage for its species composition and fungal contamination. No obvious possible causative abnormalities were identified apart from a low total serum calcium level in one case. No fescue grass was found and no pathogenic fungi were detected.

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      Footnotes

      • Dr Hudson’s present address is Royal (Dick) School of Veterinary Studies, University of Edinburgh, Summerhall, Edinburgh EH9 1QH

      • * Deceased

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