Persistence of bromadiolone anticoagulant rodenticide in Arvicola terrestris populations after field control.

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Giraudoux, Patrick | Tremollières, Catherine | Barbier, Brigitte | Defaut, Régis | Rieffel, Dominique | Bernard, Nadine | Lucot, Eric | Berny, Philippe

Edité par CCSD ; Elsevier -

International audience. This paper documents the exposure pattern of a population of small mammals to bromadiolone over time in a field-scale follow up. This is the first assessment of the field-scale effect of such control operation on the availability of bromadiolone-exposed A. terrestris prey to nontarget predator species. It indicates that an important risk of poisoning of nontarget species does exist during large-scale field control operations with bromadiolone, which is contradictory to results obtained from laboratory experiments in the early 1980s and consistent with the secondary poisoning hazards due to repeated exposure regularly reported during the past 20 years.

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