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Cryptosporidiosis in quails
V L Tham1, S Kniesberg, B R Dixon
1Institute of Medical and Veterinary Science, Adelaide, South Australia, Australia.
Avian Pathology : Journal of the W.V.P.A
|January 1, 1982
Summary
Cryptosporidial infection caused respiratory and immune system damage in young common quails. This study identified the protozoan parasite Cryptosporidium spp. as the cause in affected birds.
Area of Science:
- Avian pathology
- Parasitology
- Veterinary medicine
Background:
- Cryptosporidiosis is an emerging parasitic disease affecting various avian species.
- Common quails (Corturnix cortunix) are economically important poultry, susceptible to various infections.
Purpose of the Study:
- To diagnose and characterize cryptosporidial infection in a flock of common quails.
- To identify the pathological changes associated with the infection.
Main Methods:
- Gross and histopathological examination of affected quails.
- Identification of protozoan parasites using electron microscopy.
Main Results:
- Gross findings included excess tracheal mucus, nasal congestion, and a shrunken bursa of Fabricius.
- Microscopic lesions involved epithelial changes and inflammation in the respiratory tract and bursa.
- Electron microscopy confirmed the presence of Cryptosporidium spp. attached to epithelial cells.
Conclusions:
- Cryptosporidium spp. caused significant pathological changes in the respiratory and lymphoid systems of common quails.
- This diagnosis highlights the potential impact of cryptosporidiosis on quail health and production.
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