SEMIOCH EMICAL — A NOVEL THOUCaHT FOR TICK CONTROL
Bhaskaran Ravi Latha
Ticks and tick borne diseases pose enormous problems to man and domestic animals. The impact of ticks and tick-borne diseases on the livelihood of resource poor farming communities have been ranked high (Perry et al., 2002). These problems are closely associated with domestic animals and pets in the tropical and subtropical regions of the world. The direct and indirect effects of ticks are either through their role as vectors of disease or by their feeding activities. Direct losses include reduced weight gain, damaged hides, reduced milk production, loss due to tick toxicosis and tick paralysis (Graf et al., 2004). Indirect losses are due to the vector potentiality of the tick. In India, the economic losses due to tick and tick-borne diseases are estimated to be US$ 498.7 million per annum (Ghosh et aL, 2007) with a global annual loss of $109 billion (Jabbar et al., 2007).