Vertebrate Pest Conference: Proceedings
Vertebrate Pest Conference Proceedings: 18th (1998)
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Date of this Version
1998
Document Type
Article
Citation
Proceedings 18th Vertebrate Pest Conference, ed. R.O. Baker & A.C. Crabb. Published at University of California, Davis, 1998.
Abstract
There were 1,288 sewer and 235 other utility manholes baited to control Norway rat (Rattus norvegicus) populations in downtown Boston using pulsed-baiting methods. About 15% of all sewer, 18% of phone, and 26% of electric manholes had rat activity. Sewer populations were most associated with residential areas with low flow, small diameter (<61 cm) brick sewers; in those circumstances, up to 38% of manholes had rat activity. Bait consumption in sewers (high risk areas) was 91 % below baseline, five months after the fourth baiting period. Bait consumption and the number of active sewer holes were 96% and 87% below baseline, respectively, when seasonal maintenance baiting was last initiated. Reinfestation of phone/electric manholes was so minimal that maintenance baiting was not necessary or cost-effective. Subsurface baiting should be an integral part of urban rodent control programs.
Comments
Copyright 1998 by the authors