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Related Experiment Videos

Typhlocolitis associated with spirochaetes in goose flocks.

C S Nemes1, R Glávits, M Dobos-Kovács

  • 1Veterinary Institute of Kaposvár of the Central Veterinary Institute, Cseri u. 18, H-7401, Kaposvár, Hungary.

Avian Pathology : Journal of the W.V.P.A
|February 2, 2006
PubMed
Summary

Brachyspira alvinipulli bacteria caused significant mortality in breeder geese. This study is the first to isolate this pathogen from laying geese with severe intestinal inflammation.

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Area of Science:

  • Veterinary Pathology
  • Microbiology
  • Avian Health

Background:

  • High mortality rates were observed in two breeder goose flocks during their first laying season and molting period.
  • Affected geese exhibited severe gastrointestinal lesions, including hemorrhagic-necrotic inflammation and typhlitis, alongside kidney fibrosis and visceral gout in some cases.

Purpose of the Study:

  • To investigate the role of Brachyspira bacteria in the high mortality of breeder geese.
  • To identify the specific spirochaete species involved in the observed pathological conditions.

Main Methods:

  • Gross and histopathological examinations of deceased geese.
  • Identification of spirochaetes using immunohistochemistry, electron microscopy, and anaerobic culture.
  • Molecular identification of isolated spirochaete strains via PCR sequencing.

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Main Results:

  • Histopathology confirmed the presence of spirochaetes in the intestinal mucosa of affected geese.
  • Eight of nine isolated spirochaete strains were identified as Brachyspira alvinipulli through cultural, biochemical, and PCR analysis.
  • This marks the first documented isolation of B. alvinipulli from laying geese suffering from fibrinonecrotic typhlocolitis.

Conclusions:

  • Brachyspira alvinipulli is identified as the causative agent of fibrinonecrotic typhlocolitis and associated mortality in the studied breeder goose flocks.
  • The findings highlight B. alvinipulli as a significant pathogen in laying geese, necessitating further research into its epidemiology and control.