Concurrent West Nile virus and mycobacterium avium infection in a black-necked swan (Cygnus melanocoryphus)
| Autor: | Dalen W. Agnew, Deena Brenner, Denise M. Imai, Raymund F. Wack, R. Scott Larsen |
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| Rok vydání: | 2007 |
| Předmět: |
Male
medicine.medical_specialty Pathology West Nile virus Mycobacterium Avium Infection Spleen Comorbidity Biology medicine.disease_cause law.invention Diagnosis Differential Fatal Outcome law Anseriformes medicine Animals Leukocytosis Polymerase chain reaction General Veterinary Bird Diseases Tuberculosis Avian General Medicine Virology Immunohistochemistry Melanocoryphus Vaccination medicine.anatomical_structure Animal Science and Zoology Histopathology medicine.symptom West Nile Fever Mycobacterium avium |
| Zdroj: | Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians. 38(2) |
| ISSN: | 1042-7260 |
| Popis: | An adult male black-necked swan (Cygnus melanocoryphus) was evaluated for a routine physical examination and West Nile virus vaccination. Nine days later, the swan was hospitalized for weakness, dehydration, tremors, and leukocytosis. Gradual clinical improvement was seen over a 2-wk course of supportive care. However, the animal became acutely weak and was found dead. Histopathology revealed severe granulomatous pneumonia and air sacculitis with dissemination to the liver, spleen, intestine, and coelom. Mycobacterial infection was confirmed by identification of acid-fast bacilli within tissue sections and by polymerase chain reaction. Concurrent West Nile virus infection was identified in sections of brain by using immunohistochemistry. |
| Databáze: | OpenAIRE |
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