Abstract
Management of rodent with rodenticide and trapping is frequently ineffective due to bait or trap shyness and neophobia. A study was conducted in the laboratory of Vertebrate Pest Division, BARI, Gazipur and field to increase the attractiveness of bait or trap to B. bengalensis and enhance the consumption of novel food by using different concentration of carbon disulfide (CS2). Study revealed that addition of CS2 improved bait acceptance of food. Five ppm concentration of CS2, rat consumed significantly greater amount of cereal bait than untreated plain wheat bait. In semi-natural field test, significantly greater number (59%) of rat was trapped in CS2 scented bait than without scented bait (41%). In the field study higher population reduction (85-91%) was achieved with CS2 scented zinc phosphide bait than without scented zinc phosphide bait (50%). That is 80% higher reduction of rodent population was achieved with CS2 treated zinc phosphide bait. From this study we conclude that CS2 can improve the efficiency and consumption of poison bait and can increase trap success.SAARC J. Agri., 14(1): 93-101 (2016)
Highlights
Rats and other rodents such as mice cause considerable economic harm (Brooks et al, 1990)
The laboratory study was conducted at Vertebrate Pest Division, BARI, Gazipur and field study was undertaken at Dinajpur and Rajshahi districts during October 2010 to December 2012
Simulated field evaluation of the effect of CS2 on trapping B. bengalensis: This study was conducted in the rodent enclosure
Summary
Rats and other rodents such as mice cause considerable economic harm (Brooks et al, 1990). In addition to crop damage, commensal rodents and other pest species undermine and weaken structure (Timm, 1982, Marsh 1988) and chew through electrical and telephone cables. They serve as primary reservoirs or hosts to vectors for human and livestock diseases (Gratz, 1988). In Bangladesh no experiment was conducted with semio-chemicals to attract the rodents towards the bait station or trap station. The present experiment was designed to increase the attractiveness of CS2 Bandicota bengalensis and to determine whether it would significantly enhance the consumption of novel food and to determine the consumption and efficacy of poison in field condition
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