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Related Experiment Videos

Viral tracheitis in goslings in Saskatchewan.

C Riddell1, J V den Hurk, S Copeland

  • 1Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Canada.

Avian Diseases
|January 1, 1992
PubMed
Summary

A severe adenovirus outbreak caused up to 12% mortality in young goslings. The virus led to respiratory signs and tracheal blockages, highlighting a significant threat to young waterfowl health.

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Area of Science:

  • Veterinary Pathology
  • Virology
  • Avian Medicine

Background:

  • Young goslings experienced high mortality (up to 12%) across two hatches.
  • Affected birds exhibited respiratory distress prior to death.

Purpose of the Study:

  • To investigate the cause of high mortality in goslings.
  • To identify the pathogen responsible for respiratory disease and death in young geese.

Main Methods:

  • Necropsy was performed on affected goslings.
  • Histopathological examination of tracheal tissues was conducted.
  • Virus isolation was attempted using chicken and goose embryo liver cells.

Main Results:

  • Tracheal necropsy revealed consistent findings of white, opaque plugs composed of fibrin and cellular debris.
  • Histopathology showed tracheal epithelial hyperplasia, metaplasia, and intranuclear inclusion bodies.
  • An adenovirus was successfully isolated from affected birds.

Conclusions:

  • Adenovirus infection is the likely cause of the observed mortality and respiratory disease in goslings.
  • Tracheal obstruction by inflammatory exudate is a key pathological feature.
  • This finding is significant for waterfowl disease management and prevention.

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