Systemic mycobacteriosis in an aborted thoroughbred fetus in Japan
2014
Sano, Y. (Rakuno Gakuen University, Ebetsu, Hokkaido (Japan). School of Veterinary Medicine, Department of Veterinary Pathology) | Matsuda, K. | Osaki, K. | Miyasho, T. | Tsuda, T. | Taniyama, H.
A male Thoroughbred fetus was aborted on day 251 of pregnancy. Gross and histological examinations detected systemic granulomatous lesions in many superficial and visceral lymph nodes and organs including the liver, tonsils, lungs, thymus, spleen, right thyroid gland and gastrointestinal tract, and suppurative placentitis, pyogranulomatous amnionitis and intralesional acid-fast bacilli were also detected. An examination of the DNA base sequence of the beta subunit of RNA polymerase demonstrated that Mycobacterium avium strain 104 had infected several organs. To the best of our knowledge, this is the first report of equine fetal mycobacterial infection in Japan.
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