Pulmonary nocardiosis in a fat-tailed sheep
Nocardia spp. are known as causes of bovine mastitis, pneumonia, cutaneous or subcutaneous abscesses and disseminated disease. Pulmonary infection by Nocardia spp. was diagnosed in a sheep. Grossly, the animal had multiple white, firm, and small nodules in the lung. Microscopically, the nodules cons...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Selcuk University Press
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| Series: | Eurasian Journal of Veterinary Sciences |
| Subjects: | |
| Online Access: | http://eurasianjvetsci.org/pdf.php3?id=1018 |
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| Summary: | Nocardia spp. are known as causes of bovine mastitis, pneumonia,
cutaneous or subcutaneous abscesses and disseminated
disease. Pulmonary infection by Nocardia spp. was
diagnosed in a sheep. Grossly, the animal had multiple white,
firm, and small nodules in the lung. Microscopically, the nodules
consisted of foci of pyogranulomatous inflammation
with the presence of macrophages, multinucleated (langhans-
type) giant cells and eosinophilic amorphous material
with rosette-shape configurations (Splendore-Hoeppli reaction).
Tissue samples of the lung were streaked onto bovine
blood agar, incubated at 37 oC for 48-72 hours under aerobic
condition, and stained with Gram and modified Zeihl-Neelsen
staining. Bacteriological investigations confirmed numerous
thin, gram-positive, beaded, branching, filamentous and nonacid
fast organisms. Finally, on the basis of characteristic
gross, histopathological and bacteriological findings pulmonary
nocardiosis was diagnosed, and this is the first reported
case of pulmonary nocardiosis in a sheep in Iran. |
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| ISSN: | 1309-6958 2146-1953 |