Field efficacy evaluation of diphacinone paraffin bait blocks and strychnine oat groats for control ...

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" Field efficacy evaluation of diphacinone paraffin bait blocks and strychnine oat groats for control of forest pocket gophers (Thomomys spp.) "
Campbell, D. L.; Farley, J. P.; Hegdal, P. L.; Engeman, Richard M.; Krupa, H. W.

Document Type	:	AL
Record Number	:	943014
Doc. No	:	LA14k946qr
Language of Document	:	English
Main Entry	:	Campbell, D. L.; Farley, J. P.; Hegdal, P. L.; Engeman, Richard M.; Krupa, H. W.
Title & Author	:	Field efficacy evaluation of diphacinone paraffin bait blocks and strychnine oat groats for control of forest pocket gophers (Thomomys spp.) [Article]\ Campbell, D. L.; Farley, J. P.; Hegdal, P. L.; Engeman, Richard M.; Krupa, H. W.
Title of Periodical	:	Proceedings of the Vertebrate Pest Conference
Volume/ Issue Number	:	15
Date	:	1992
Abstract	:	The effectiveness of bait and the effectiveness of operational baiting were both evaluated for controlling forest pocket gophers (Thomomys spp.) with strychnine oat groat bait and diphacinone paraffin block bait. Radio-telemetry monitoring and recovery of pocket gophers showed that control of individual pocket gophers 1 month after baiting was 72% for strychnine bait and 62% for diphacinone bait. Reduction in pocket gopher activity from operational baiting was based on censusing activity in sample plots. After 1 month the reduction in activity was 61% for strychnine oats and 36% for diphacinone blocks. Bait blocks implanted with radio transmitters were extensively moved and fed on by pocket gophers. Pocket gopher activity was not significantly reduced by either treatment 6 months or 1 year after baiting.