2009
DOI: 10.1590/s1517-83822009000300006
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Potentially pathogenic mycoplasmas in the external ear canal of clinically normal cattle in Southeast Brazil: first report

Abstract: Mycoplasmas were searched in the ear canal flushing of 60 bovine in Brazil. The prevalence obtained was 80%. The percentages of typified species were 12.5%, for M. alkalenses; 2.1%, M. arginini; 8.35%, M. bovirhinis; 2.1%, M. bovis; 25.0%, M. conjunctivae; 14.6%, M. mycoides subsp. mycoides LC and 10.4% M. capricolum.

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Cited by 7 publications
(6 citation statements)
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“…Other researchers reported that different species of Mycoplasma can be isolated simultaneously from infections of the same or different systems (17,24). Similarly, in our study, M. bovigenitalium was isolated from the metritic uterus, and M. bovis was isolated from a mastitic milk sample from the same animal (n = 4).…”
Section: Discussionsupporting
confidence: 77%
“…Other researchers reported that different species of Mycoplasma can be isolated simultaneously from infections of the same or different systems (17,24). Similarly, in our study, M. bovigenitalium was isolated from the metritic uterus, and M. bovis was isolated from a mastitic milk sample from the same animal (n = 4).…”
Section: Discussionsupporting
confidence: 77%
“…CAV presents tropism for T-lymphocytes, rendering the cellular immune response ineffective, especially in young chickens, by destroying CD8+ T cells (Adair et al, 1993;Adair, 2000;Brentano, 2009), disabling the protection against intracellular agents. Through a facultative intracellular infection, MG can cause a systemic infection and evade the immune response (Vogl et al, 2008;Santos et al, 2009).…”
Section: Discussionmentioning
confidence: 99%
“…The hypothesis of a possible association between Mycoplasma spp. and species of Raillietia is feasible, since R. auris is a parasite commonly found in the ear canal of cattle (Faccini et al 1992b) and furthermore Santos et al (2009) recently found seven species of Mycoplasma in the ear canal of clinically normal cattle slaughtered for human consumption in Brazil. Faccini et al (1992b) reported a prevalence of Raillietia auris in Brazilian beef cattle of 85-100% and that the number of mites per animal may range from 1 to 146.…”
Section: A B C Dmentioning
confidence: 99%