HAEMATOLOGICAL IMPACT OF NATURALLY OCCURING TICK BORNE HAEMOPARASITIC INFECTIONS IN CATTLE OF WEST BENGAL, INDIA
2017
Apurba Debbarma | Soumitra Pandit | Ruma Jas | Surajit Baidya | Subhas Chandra Mandal | Lalchawimawia Ralte | Partha Sarathi Jana | Nanigopal Shit
Haemoparasites reduces productivity and may lead to high mortality among animals. The present study was carried out to evaluate the heamotological change in cattle of different districts in West Bengal, India affected with naturally occurring tick- borne haemoparasitic diseases (TBHD). A total of 310 cattle blood samples were screened for the presence of haemoparasites from July, 2015 to June, 2016. The blood samples were examined for haemoparasites by making thin blood smear and staining with Giemsa’s stain. The result showed that108 (34.84%) cattle were found positive with TBHD, out of which 22.9% were Theileria sp, 5.8% were Babesia sp., 11.93% Anaplasma sp., and 5.8% were having mixed infection, respectively. The positive samples were subjected to estimations of haematological parameters i. e. Haemoglobin concentration (Hb), packed cell volume (PCV), total erythrocyte count (TEC) and Total leucocytes count (TLC) using standard protocol. The haematological analysis showed statistically a significant (p<0.01) decreased levels of Hb, PCV, TEC and TLC in infected groups of cattle compared to infection free group cattle. This is probably the first systematic report in West Bengal, India. The result showed the haemoparasites have a negative impact on haematological parameters. This study may be useful in disease epidemiological map preparation, parasitic control policy preparation of the study areas.
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