Vole Control with Volak Rodenticide
نویسنده
چکیده
Field trials with VOLAK rodenticide containing 50 ppm brodifacoum have been conducted in eight states and against four vole species during 1977-78. Hand baiting at 5-10 Ib/A and broadcast applications at 10-20 Ib/A gave more effective control than other products tested in most cases. INTRODUCTION Preliminary information concerning the toxicity of brodifacoum and the acceptance of VOLAK to voles in the lab, and preliminary field results of the 50 ppm pelletized VOLAK formulation became available in 1976. This was largely through the efforts of Dr. Ross Byers of Virginia. Since that time, ICI has endeavored to enlist the aid of other researchers to evaluate VOLAK as well as creating an internal field staff to conduct additional VOLAK trials in several states. During 1977-78, both handbaiting and broadcast applications were conducted against various Microtus species, especially pine and meadow voles. Methods were generally those of Byers (Hortscience 10:391, 1975) involving the use of cut apple census bait before and after treatment to determine the percent reduction in activity. Live trap censusing was also attempted in some locations but this method did not appear suitable for general use because of trap-induced mortalities and difficulties in trapping in the post-treatment census in areas which had subsequently experienced severe cold and snow.
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تاریخ انتشار 2017