Article Text

Diagnosis of grass sickness by ileal biopsy
  1. SF Scholes,
  2. C Vaillant,
  3. P Peacock,
  4. GB Edwards and
  5. DF Kelly
  1. Department of Veterinary Pathology, University of Liverpool.


Ileal biopsies were obtained from 18 horses with grass sickness, 15 horses with other alimentary disease and three horses without gastrointestinal disease. Samples of small intestine were also obtained from nine cases of obstruction due to small intestinal strangulation. Histological examination revealed that severe enteric neuropathy in the absence of other significant morphological changes was confined to the horses with grass sickness.

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