The Thai Journal of Veterinary Medicine


Mycoplasma wenyonii (M. Wenyonii) was studied by PCR and blood smear staining in 197 cows. Clinical signsand hematological parameters of all tested cows were collected. Results confirmed that 31% populations werepositive of M. wenyonii infection. Statistical analysis revealed that the cows of 2-4 years old were most susceptible. Noclinical sings were found to be significantly associated with the infection. The infection also did not result in anemiabased on hematological investigation that only showed elevation of WBC counts in infected cows. Sequence analysisof the partial 16S rRNA gene showed that three different representative strains were confirmed in the present study.


Faculty of Veterinary Science, Chulalongkorn University

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