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Nasal obstruction caused by nutritional osteodystrophia fibrosa in a group of Ethiopian horses
  1. C. J. Clarke, BVetMed, MSc, PhD, DipRCPath, MRCVS1,
  2. P. L. Roeder, BVetMed, MSc, PhD, MRCVS2 and
  3. P. M. Dixon, MVB, PhD, MRCVS3
  1. 1 Department of Veterinary Pathology
  2. 2 Animal Health Service, Animal Production and Health Division, Food and Agriculture Organisation of the United Nations, Rome, Italy
  3. 3 Department of Veterinary Clinical Studies, University of Edinburgh, Veterinary Field Station, Easter Bush, Roslin, Midlothian EH25 9RG


A severe, advanced case of nutritional osteodystrophia fibrosa is described in a 10-year-old gelding with primary upper respiratory obstruction and chronic weight loss, which was one of a group of similarly affected horses in Ethiopia. The diagnosis was based on the clinical signs, gross lesions, histopathology and management history. The affected bones had suffered severe mineral depletion.

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