Abstract
Laboratory tests were conducted to estimate the efficacy of brodifacoum in controlling bromadiolone-resistant Tyr139Cys and Leu128Ser/Tyr139Cys house mice in no-choice feeding tests with two short exposure times of 24 and 48 h. The mortality of bromadiolone-resistant house mice in brodifacoum tests was similar 90 and 100% in the respective 24 and 48 h intervals.There were neither differences in survival rates between the genders nor between the VKOR variants, but consumption was higher in females than in males. Brodifacoum was effective against bromadiolone-resistant house mice in the short exposure test, offering a sound practical alternative for rodent control in situations when bromadiolone is no longer a satisfactory solution. Whether a short-term use of brodifacoum after bromadiolone application reduces environmental risks, compared to using brodifacoum only, needs a further confirmation.
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