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Revista argentina de microbiología

versión On-line ISSN 1851-7617


AGUIRRE, D. H. et al. Clinical mycoplasmosis outbreak due to Mycoplasma ovis in sheep from Salta, Argentina: Clinical, microbiological and molecular diagnosis. Rev. argent. microbiol. [online]. 2009, vol.41, n.4, pp. 212-214. ISSN 1851-7617.

Mycoplasma ovis is an obligatory parasite of the erythrocytes from small ruminants (sheep, goat), wherein it causes chronic or acute anaemia. This agent shows worldwide distribution. However, its dispersion is still unknown in Argentina. This work describes an outbreak of mycoplasmosis occurred in January 2007 in a sheep flock from Rosario de la Frontera, Salta, Argentina. Adult sheep became ill with a mortality rate of 17.8%. All blood smears (n = 11) examined by Giemsa stain showed the presence of small basophile bodies characteristic of M. ovis infection, indicating a high prevalence of the infection in the flock. The molecular diagnosis (n = 9) confirmed the findings through the amplification of two fragments from the 16S rRNA gene. This is the third report of M. ovis in Argentina and the first one concomitant with clinical signs at flock level.

Palabras clave : Mycoplasma ovis; Sheep; Outbreak; Argentina.

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