Prevalence of Trypanosoma Evansi in Domestic Animals in Rayalaseema Region of Andhra Pradesh in India

A survey was conducted to determine the prevalence of T. evansi in domestic animals in Rayalaseema region of Andhra Pradesh during the year 2009-10. A total of 1166 blood and sera samples from cattle, buffaloes and sheep were collected and screened by Wet blood film examination and Indirect ELISA. Overall, 1.54 and 24.52 per cent animals were found positive for T. evansi by Wet blood film (WBF) examination and indirect ELISA, respectively. Out of 320 cattle and 382 buffaloes examined for T. evansi infection, 2.50 and 2.61 per cent and 31.87 and 36.12 per cent were found positive by WBF examination and indirect ELISA, respectively. Out of 464 sheep examined, 9.91 per cent were found positive for T. evansi infection by indirect ELISA and none was found positive by WBF examination.