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Related Experiment Videos

Experimental candidiasis in Japanese quail: pathological changes

R K Asrani1, R K Gupta, J R Sadana

  • 1Department of Veterinary Pathology, Haryana Agricultural University, Hisar, India.

Mycopathologia
|February 1, 1993
PubMed
Summary

This study details experimental avian candidiasis in Japanese quail, revealing characteristic crop and tongue lesions. Candida albicans primarily affected the upper digestive tract, with no systemic spread observed.

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Area of Science:

  • Veterinary Mycology
  • Avian Pathology

Background:

  • Candidiasis is a fungal infection caused by Candida species.
  • Avian candidiasis can affect the gastrointestinal tract of poultry.

Purpose of the Study:

  • To experimentally induce and characterize candidiasis in young Japanese quail.
  • To investigate the pathological changes in the upper digestive tract following oral Candida albicans infection.

Main Methods:

  • Young Japanese quail were orally inoculated with Candida albicans.
  • Lesions and tissue changes were examined macroscopically and microscopically.
  • Fungal elements were identified in tissue sections.
  • Fungal reisolation was performed from infected birds.

Main Results:

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  • Experimental candidiasis was successfully induced, primarily affecting the crop mucosa.
  • Characteristic lesions included thickening, yellowish-white necrotic plaques, and a 'turkish towel' appearance of the crop.
  • Oesophageal, proventricular, and tongue tissues showed varying degrees of swelling, hyperplasia, and congestion.
  • Fungal elements were detected in the crop and tongue for up to 14 and 10 days, respectively.
  • Candida albicans was consistently reisolated from the crop.

Conclusions:

  • The upper digestive tract, particularly the crop, is the primary target for experimental Candida albicans infection in Japanese quail.
  • The observed pathological changes provide a detailed understanding of avian candidiasis progression.
  • This model is suitable for studying avian candidiasis and evaluating potential treatments.