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" Control of Norway rats in sewer and utility systems using pulsed baiting methods "
Colvin, Bruce A.; Swift, Trygve B.; Fothergill, Frank E.
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AL
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| Record Number
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943224
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LA7dr996nh
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| Language of Document
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English
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| Main Entry
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Colvin, Bruce A.; Swift, Trygve B.; Fothergill, Frank E.
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| Title & Author
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Control of Norway rats in sewer and utility systems using pulsed baiting methods [Article]\ Colvin, Bruce A.; Swift, Trygve B.; Fothergill, Frank E.
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| Title of Periodical
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Proceedings of the Vertebrate Pest Conference
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18
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| Date
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1998
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| Abstract
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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.
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