Effects of tamper-resistant bait boxes on bait uptake by Norway rats (Rattus norvegicus Berk.)
Buckle, A. P. and Prescott, C. V. (2011) Effects of tamper-resistant bait boxes on bait uptake by Norway rats (Rattus norvegicus Berk.). International Journal of Pest Management, 57 (1). pp. 77-83. ISSN 0967-0874
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To link to this article DOI: 10.1080/09670874.2010.537793
We compared the quantity of wheat bait consumed by Norway rats (Rattus norvegicus) from: (i) wooden bait trays, made as safe as possible from non-target animals using materials available at trial sites, and (ii) three different, proprietary tamper-resistant rat bait boxes. A balanced Latin square experimental design was used to overcome operational biases that occur when baits of different types are applied simultaneously at the same sites. The consumption of bait from the four different types of bait placement differed significantly and accounted for more than 76% of the total variation. The amount of bait eaten by rats from the bait trays was approximately eight times greater than the quantity eaten from the tamper-resistant bait boxes. The three bait box designs appeared to deter bait consumption by rats to a similar extent. Tamper-resistant bait boxes are essential tools in the application of rodenticides in many circumstances but their use should not be mandatory when it is possible to make baits safe from non-target animals by other means.