Chakravarthi, RDinesh Reddy, KamaniSenthil, NRSubapriya, STANUVAS2020-03-092020-03-092020-02http://krishikosh.egranth.ac.in/handle/1/5810145101TNV_20thMVC_PP_Feb-2020_PA48The present work was based on retrospective study of 11,000 blood smears of dogs received over a period of nine years (2010 to 2019) in and around Chennai at Madras Veterinary College Teaching Hospital. On blood smear examination 3,840 blood smears were found to be positive for various Haemoprotozoan diseases. Among the recorded positive Haemoprotozoan diseases, the highest incidence was of Ehrlichia canis of 2117 cases (51.45%) followed by Babesia gibsoni with 828 cases (20.12%), Hepatozoan canis with 433 cases (10.52%), Babesia canis with 372 cases (9.01%), Trypanosoma sp. With 49 cases (1.19%), Microfilaria with 36 cases (0.87%) and Mycoplasma sp. with 6 cases (0.14%) Maximum number of cases were recorded during Monsoon season (August-November) with 1354 cases (35.26%) followed by 1347 cases (35.07%) during Summer season (April-July) and 1139 cases (29.66%) during winter season (December-March). The incidence rate of Haemoprotozoan diseases in Canine increases during recent times 24.06% in 2019 when compared to 8.02% in 2011.enVeterinary SciencePresentation