Therapeutic and residual efficacy analysis of some anti-tick compounds against natural Boophilus microplus infestation in crossbred cattle
2010
RAM, HIRA | SHARMA, A.K.
Therapeutic efficacy of ivermectin and doramectin (S/C injections) and flumethrin (pour on preparation) was evaluated against natural Boophilus microplus infestation in crossbred cattle. Tick mortality observed on seventh day post treatment in different groups indicated 95, 96 and 97% efficacy of ivermectin, doramectin and flumethrin, respectively. However, residual drug effect (duration of protection) for ivermectin and doramectin injections was recorded less than 21 days in comparison to flumethrin pour on (28 days). Further, it is concluded from the study that a second follow up treatment on or after third week in case of ivermectin and doramectin (S/C injections) and on or after fourth week in flumethrin (pour on) medication is required for proper control of ticks in endemic areas.
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