Chronic hyperplastic ingluvitis: Synergistic eff ect of invasive Candida and Trichomonas in a desi chicken
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Date
2024
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Abstract
A desi chicken fl ock (3 months old) had 2% mortality every week with a history of stunted growth. Birds were supplemented
with antibiotics from the fi rst week of hatch. Postmortem examination was carried out on a carcass. Carcass was pale and thin.
Crop mucosa was covered with thin, whitish papery layer with sca ered erosions. The mucosa also revealed an irregular corrugated
fi rm growth protruding into the lumen. Cytology revealed narrow budding yeasts and numerous fl agellated protozoa.
Histologically, crop revealed epithelial hyperplasia with papillary projections. Hyperplastic epithelial layer showed ballooning
degeneration of cells and infl ammatory infi ltrations. Histochemistry showed Candida albicans with PAS stain and Trichomonas
gallinae with Giemsa stain. C. albicans exhibited yeast and hyphal forms which occupied superfi cial epithelial cells whereas septate
hyphae were found penetrating perpendicular to the mucosa. Giemsa stained tissue section showed varying morphology of
Trichomonas gallinae in the lamina propria. This study reporting the chronic and combined infection of dimorphic fungi - Candida
albicans and protozoal fl agellate Trichomonas gallinae in a desi chicken due to continuous usage of antibiotics.