Abstract
The present study aimed to determine the prevalence and chemotherapy of babesiosis in crossbred cow calves at
the Livestock Experimental Station Qadirabad, District Sahiwal, Pakistan. The effect of babesiosis on different
blood parameters was also studied. Among 415 crossbred cow calves examined, 30 calves were found positive,
showing 7.2% prevalence. For chemotherapeutic trials, 30 infected calves and 10 healthy ones were divided into
4 groups viz. A, B, C and D with 10 animals in each group. The animals of group A and B were treated with
diminazene aceturate (Fa-try-banil, Prix, Pharma, Pakistan) and imidocarb dipropionate (Imizol, ICI, Pakistan) @
3.5 mg/kg BW 1Mand 1ml/1 00 kg BW 1M, respectively. Animals of group C and D served as positive control and
negative control, respectively. The efficacy of diminazene aceturate and imidocarb dipropionate was 90% and
100%, respectively. Haematological studies revealed a significant decrease in haemoglobin concentration and
total erythrocyte count in Babesia positive animals as compared to negative control. From the results it was
concluded that imidocarb dipropionate is a drug cif choice to treat babesiosis in crossbred cow calves followed by
diminazene aceturate.
