Abstract
The lack of a standardized protocol makes it difficult to compare studies on the efficacy of commercial rodenticides. To contribute to the knowledge of pest control technology, we compared the effi...
Highlights
Commensal rodents are considered a serious pest in urban environments
Most of the experimental rats were fed on bromadiolone (n = 216 vs n = 48 with other active ingredients; Table 1) because most of Argentine baits are based on this active ingredient, being wax blocks and grain baits the most common formulations (ANMAT)
Rats fed on bromadiolone grains showed a significantly shorter time to death (4.69 ± 0.14 d) than those fed on wax blocks (5.53 ± 0.14 d) (Table 1).No significant effects were registered in time to death, related to sex or weight of rats, or related to the origin of baits either
Summary
Commensal rodents are considered a serious pest in urban environments. Norway rats (Rattus norvegicus), roof rats (Rattus rattus) and house mice (Mus musculus) are responsible for a number of health and economic problems as a result of their interaction with humans (Cueto, Cavia, Bellomo, Padula, & Suárez, 2008; Hancke, Navone, & Suárez, 2011; Himsworth, Parsons, Claire, & Patrick, 2013). High population density, exposed garbage and abandoned buildings have been found to be strong promoters of rat infestations (Easterbrook, Shields, Klein, & Glass, 2005; Traweger, Travnitzky, Moser, Walzer, & Bernatzky, 2006). Improvements introduced to sanitation and infrastructure can greatly reduce rat-related problems, but in most cases control measures require the use of chemicals, rodenticides. Anticoagulants are the preferred method for controlling rodent populations worldwide because of their higher efficacy and safety (Bajomi & Kis-Varga, 1990; Murphy, 2002). They interfere with the mechanisms of blood coagulation, leading to internal bleeding and, death (Hadler & Buckle, 1992; Pelz et al, 2005)
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