The susceptibility of Apodemus agrarius and Rattus losea to the anticoagulant rodenticide,flocoumafen |
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| Affiliation: | 1. School of Life Science/State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou 510275, PR China;2. South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou 510655, PR China;3. College of Sciences, Nanjing Agricultural University, Nanjing 210095, PR China;1. University of South Florida, 140 Seventh Avenue South, St. Petersburg, FL 33701, United States;2. Florida Fish and Wildlife Conservation Commission, 100 Eighth Avenue South, St. Petersburg, FL 33701, United States;1. Centre for Geographical Studies, Institute of Geography and Spatial Planning, Universidade de Lisboa, Rua Branca Edmée Marques, Cidade Universitária, 1600-276 Lisbon, Portugal;2. CIBIO – Research Centre in Biodiversity and Genetic Resources, Universidade do Porto, Campus de Vairão. Rua Padre Armando Quintas, n° 7, 4485-661 Vairão, Portugal;3. Forest Research Centre, Instituto Superior de Agronomia, Universidade de Lisboa, Edifício Prof. Azevedo Gomes, Instituto Superior de Agronomia, Tapada da Ajuda, 1349-017 Lisboa, Portugal |
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| Abstract: | Flocoumafen had good rodenticidal action against Apodemus agrarius and Rattus losea. The acute oral LD50 for male A. agrarius and R. losea was 1·22 mg kg−1 and 1·36 mg kg−1 respectively. Flocoumafen bait was more toxic to R. losea than to A. agrarius. At bait concentrations of 0·002–0·005%, flocoumafen had a single-feed potency with mortalities of 90–100% for R. losea and 77·8–100% for A. agrarius. Experimental baits prepared using the manufacturing 0·5% master mix of flocoumafen were palatable to both species. |
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