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Trichobezoars in baboons.

Diana C P Mejido1, Edward J Dick, Priscilla C Williams

  • 1Federal Fluminense University, Rio de Janeiro, Brazil .

Journal of Medical Primatology
|May 22, 2009
PubMed
Summary
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Trichobezoars, or hairballs, are rare in non-human primates. This study found baboons housed in groups were more prone to developing trichobezoars, which can cause significant health issues.

Area of Science:

  • Veterinary Pathology
  • Primate Medicine
  • Gastroenterology

Background:

  • Limited literature exists on trichobezoars in non-human primates.
  • Trichobezoars are masses of ingested hair that accumulate in the gastrointestinal tract.

Purpose of the Study:

  • To investigate the occurrence and characteristics of trichobezoars in baboons.
  • To identify risk factors and associated pathologies of trichobezoars in this species.

Main Methods:

  • Retrospective evaluation of 118 trichobezoar cases in baboons.
  • Data collected over a 29-year period at the Southwest National Primate Research Center.

Main Results:

  • Stomach and small intestine were the most common locations.

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  • Weight loss was the most frequent clinical sign; gastrointestinal inflammation and ulceration were common pathologies.
  • Females were more susceptible, and increased group housing time correlated with higher incidence.
  • Trichobezoars caused death or euthanasia in 21 baboons.

    • Conclusions:

    • Baboons may serve as a valuable model for studying trichobezoar etiology, predisposition, and treatment.
    • Understanding risk factors like group housing is crucial for prevention and management in captive primates.