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Science 23 June 1972:
Vol. 176. no. 4041, pp. 1343 - 1344
DOI: 10.1126/science.176.4041.1343
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Articles

Resistance of Wild Norway Rats in North Carolina to Warfarin Rodenticide

William B. Jackson 1 and Dale Kaukeinen 1

1 Environmental Studies Center, Bowling Green State University, Bowling Green, Ohio 43403

Reports concerning the ineffectiveness of warfarin rodenticide, used at farms and stores in a rural area about 8 kilometers in diameter near Raleigh, North Carolina, prompted subsequent laboratory testing. All of the 25 Norway rats trapped from the area survived 6 days of no-choice feeding of bait containing 0.025 percent (by weight) warfarin.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Anticoagulant-Resistant Rats: Possible Control by the Use of the Chloro Analog of Vitamin K1.
J. W. Suttie (1973)
Science 180, 741-743
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Science. ISSN 0036-8075 (print), 1095-9203 (online)