Mycoplasma felis as a cause of pleuritis in horses

Mycoplasma felis was the only organism recovered from the thoracic cavity of a horse with pleuritis. Large numbers of mildly degenerative neutrophils were in the pleural fluid. The horse developed a serologic response to M felis and recovered during hospitalization. Experimentally, a pony was inocul...

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Published inJournal of the American Veterinary Medical Association Vol. 182; no. 12; p. 1374
Main Authors Ogilvie, T H, Rosendal, S, Blackwell, T E, Rostkowski, C M, Julian, R J, Ruhnke, L
Format Journal Article
LanguageEnglish
Published United States 15.06.1983
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Summary:Mycoplasma felis was the only organism recovered from the thoracic cavity of a horse with pleuritis. Large numbers of mildly degenerative neutrophils were in the pleural fluid. The horse developed a serologic response to M felis and recovered during hospitalization. Experimentally, a pony was inoculated in the thoracic cavity with a pure culture of the M felis isolate suspended in the pony's serum. A control pony was inoculated with serum only. Within 48 hours, the principal pony developed fever, increased respiratory rate, pleural effusion, and signs of pain. A highly cellular exudate with nondegenerative neutrophils and large numbers of M felis was recovered from the thoracic cavity. The control pony remained normal. The principal pony developed an antibody response to M felis. The control pony did not. Fourteen days after inoculation, both ponies were euthanatized. Necropsy revealed pleural inflammation in the principal pony. Pleural lesions were not found in the control pony.
Bibliography:L
L73
ISSN:0003-1488
1943-569X