Resistance to rodenticides leap-frogs to new areas

Rodenticide resistance in rats has been confirmed in several new areas by a Campaign for Responsible Rodenticide Use study. These include Durham, Northumberland, Tyneside and North Yorkshire, Greater Manchester and along the River Severn valley from Somerset to north west Shropshire, northern East Anglia and Devon. Surveillance in 2019 by University of Reading’s Vertebrate Pests…