Meningoencephalitis in commercial meat turkeys associated with Mycoplasma gallisepticum.

Richard P Chin, B. M. Daft, C. U. Meteyer, R. Yamamoto

Research output: Contribution to journalArticlepeer-review

34 Scopus citations


Mycoplasma gallisepticum (MG) infection was diagnosed in three different flocks of 12-to-16-week-old commercial meat turkeys displaying torticollis and/or opisthotonos. MG was isolated from the brain, air sacs, trachea, and sinus of one bird with neurological signs. Histological examination of brains in all three cases revealed moderate-to-severe encephalitis with lymphoplasmacytic cuffing of vessels, fibrinoid vasculitis, focal parenchymal necrosis, and meningitis. Birds with neurological signs were seropositive for MG by the serum-plate agglutination and hemagglutination-inhibition tests. The encephalitic form of MG has been described previously but is rarely mentioned in the current literature.

Original languageEnglish (US)
Pages (from-to)986-993
Number of pages8
JournalAvian Diseases
Issue number4
StatePublished - Oct 1991

ASJC Scopus subject areas

  • Cancer Research
  • Immunology
  • veterinary(all)


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