Aspergillosis – An Important Fatal Mycotic Disease of Chicks
Mahendra Pal Sihin Tesfaye Getnet Abie Mekonnen
Vol 2(3), 69-73
Aspergillosis , is an important highly infectious global fungal disease of avians as well as mammals. The disease is mainly caused by Aspergillus fumigatus which occurs as saprobe in the environment. Aspergillus fumigates is known to occur in a wide variety of avian species. The source of infection is exogenous and chicks acquire the infection by inhalation of fungal conidia through the respiratory tract. The contaminated litter is often associated with cases of aspergillosis in chicks and turkeys. Acute aspergillosis in chicks is usually characterized by severe outbreaks with high mortality and morbidity, and results in great financial losses to the poultry industry. The demonstration of the fungal agent in the clinical specimens both by direct microscopy and cultural isolation is considered the gold standard of the diagnosis of aspergillosis. Good hygienic practices should be adopted in the poultry farms to combat this infectious mycosis which carries a high mortality in chicks. Aspergillosis should be included in the differential diagnosis of respiratory diseases of birds. It is recommended that Narayan stain should be widely used in microbiology and public health laboratories to study the detailed morphology of the fungi which are implicated in various clinical disorders of humans as well as animals. In addition, the further research on the development of safe, potent and cheaper vaccine against Aspergillus fumigates infection in chicks will be rewarding.
Keywords : Aspergillosis Aspergillus fumigatus Chicks Litter Narayan stain
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