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Ulcerative stomatitis associated with ingestion of broomsedge hay in a horse
  1. Meggan T Graves1 and
  2. Jennie L Ivey2
  1. 1 Large Animal Clinical Sciences, University of Tennessee, Knoxville, USA
  2. 2 Animal Science, University of Tennessee, Knoxville, USA
  1. Correspondence to Dr Meggan T Graves; mtoohey{at}utk.edu

Abstract

An adult mare presented acutely down in the pasture on January 21, 2018. On arrival at the farm, the mare was found recumbent with a heart rate of 60 beats per minute, evidence of struggle and profuse watery diarrhoea. An oral examination revealed a capillary refill time of three seconds and severe gingival and glossal ulcers. The ulcers were filled with seed heads with evidence of chronicity. The mare was determined to have a gas-distended colon on rectal examination and was humanely euthanised due to financial constraints. The mare was submitted for postmortem examination. No ulcers or grass awns were found in any other area of the gastrointestinal tract. Histopathological examination revealed embedded plant material in the oral lesions, with plant features similar to that reported with foxtail species. Hay samples were submitted for wet chemistry analysis and species identification, and determined to be an inadequate nutritional source for horses.

  • horses
  • broomsedge
  • stomatitis
  • nutrition
  • ulcers
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Footnotes

  • Contributors Both authors have contributed to the manuscript and data presented. Authors have approved the final version submitted.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement No additional data are available.

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