author(s)
Vetrivel D, A Serma Saravana Pandian, J Shilpa Shree and M Boopathy Raja

abstract
The present study was conducted to assess the prevalence of anaplasmosis in cattle farms. The data were collected from 120 sample cattle owners selected from 6 blocks in 3 districts of North east zone of Tamil Nadu viz. Kancheepuram, Tiruvannamalai and Vellore districts. A total of 60 anaplasmosis affected cattle farms were studied. The results of the study indicated that the overall prevalence of anaplasmosis was 25.10 percent. The prevalence of anaplasmosis was higher among the cattle owned by illiterate farmers than literate farmers. The prevalence of anaplasmosis was high in small herd than medium and large herd size. The mortality rate in anaplasmosis was 3.35 percent whereas the overall case fatality rate in anaplasmosis was 13.33 percent. Thus, the appropriate policy suggestions have to be made to control of anaplasmosis in cattle and minimise the economic losses due to this disease by application of scientific management practices and control over these predisposing factors.