The first rodenticides were short-acting anticoagulants like warfarin , which caused death from internal bleeding but rodents became resistance, so companies developed longer-acting, more toxic anticoagulants such as brodifacoum, bromadiolone, difenacoum and difethialone. These products are still available yet their use is restricted. Now even more effective rodenticides have been developed such as bromethalin, … Continue reading New Rat and Mouse Control