Mycobacterium avium subsp. avium infection in a lineolated parakeet (Bolborhynchus lineola)
2010
Lee, S.Y., Konkuk University, Seoul, Republic of Korea | Yoo, J.H., Konkuk University, Seoul, Republic of Korea | Yoon, J.W., Chung-Ang University College of Medicine, Seoul, Republic of Korea | Kim, D.Y., University of Missouri, Columbia, MO, USA | Cho, H.S., University of Missouri, Columbia, MO, USA | Park, C., University of California, Davis, CA, USA | Park, H.M., Konkuk University, Seoul, Republic of Korea
A 2-year-old lineolated parakeet (Bolborhynchus lineola) was presented with abdominal distention and respiratory distress for two months. The bird was poorly fleshed and the liver was enlarged on coelomic palpation. Plain and contrast radiographic examinations exhibited hepatomegaly and distended intestinal loop, which compromised the air sacs. Multifocal yperechogenecity was observed in the liver on ultrasonography. Postmortem gross examination revealed hepatomegaly with numerous pinpoint tan foci in the hepatic parenchyma and distended small intestine filled with adult ascarids. Microscopically, granulomatous hepatitis and enteritis infected by intrahistiocytic acid-fast bacilli were evident. Polymerase chain reaction indicated that the acid-fast bacilli were Mycobacterium avium subsp. avium.
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