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Mycoplasmosis in Evening and Pine Grosbeaks with Conjunctivitis in Quebec

Mycoplasmosis in Evening and Pine Grosbeaks with Conjunctivitis in Quebec,Igor Mikaelian,David H. Ley,Raynald Claveau,Michel Lemieux,Jean-Paul Berube

Mycoplasmosis in Evening and Pine Grosbeaks with Conjunctivitis in Quebec   (Citations: 11)
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An outbreak of conjunctivitis af- fected evening grosbeaks (Coccothraustes ves- pertinus) and pine grosbeaks (Pinicola enucle- ator) in Quebec (Canada) during the winter 1998-99. One to 30% of the individuals from these two species were sick at 13 feeding sta- tions. Sick birds were thin and had unilateral or bilateral catarrhal and lymphoplasmacytic conjunctivitis and rhinitis, and mucopurulent infra-orbital sinusitis. Mycoplasmal organisms were isolated in cultures in an affected evening grosbeak and identified as Mycoplasma galli- septicum by direct immunofluorescence. Ran- dom amplified polymorphic DNA (RAPD) fin- gerprinting of this isolate resulted in a banding pattern that was identical to patterns of M. gal- lisepticum isolates made from similar lesions in house finches (Carpodacus mexicanus) and American gold finches (Carduelis tristis) throughout eastern North America. Mycoplas- ma gallisepticum was identified by polymerase chain reaction in another evening grosbeak and a pine grosbeak. These observations suggest that the same strain of M. gallisepticum is the likely etiology for the observed disease in even- ing and pine grosbeaks in Canada and repre- sent an extension of the host-species range for the ongoing epidemic of M. gallisepticum con- junctivitis in eastern North America.
Published in 2001.
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