Bromadiolone Dogs
Many cats and dogs are brought into veterinary hospitals in the fall and winter after having gotten into a rat mouse poison rodenticides.
Bromadiolone dogs. Other types have a wider margin of safety e g bromadiolone and it takes a larger amount to cause poisoning. After all this is a common time of year for rats and mice to try and seek shelter in people s homes and businesses so it s a common time of year for people to be putting out rat and mouse poisons. In 90 day feeding trials the only effect observed in rats and dogs was reduction of prothrombin rating 62. 22 5 g kg of 0 005 formulations 56.
Unlike some other rat poisons which require multiple days of feeding by an animal bromadiolone can be lethal from one day s feeding. Bromadiolone is a rodenticide meant to kill rats and mice. The rodenticides with high secondary poisoning risks to birds such as hawks and owls include difethialone brodifacoum and possibly bromadiolone see table 3. The dose needed to cause poisoning from laacs varies greatly between active ingredients and species of animal.
Rodenticides that contain the ingredients bromadiolone and brodifacoum for example are 50 to 200 times more poisonous than the kind that contain warfarin and hydroxycoumadin. Subacute and chronic toxicity. The second generation anticoagulants brodifacoum bromadiolone difethiolone are highly toxic to nontarget species dogs cats livestock or wildlife after a single feeding. Secondary poisoning in nontarget animal species from anticoagulants has also been documented.
With some types e g brodifacoum it only takes a very small amount to cause poisoning especially in dogs. Bromadiolone was first registered in the united states in 1980. Bromadiolone is a potent anticoagulant rodenticide it is a second generation 4 hydroxycoumarin derivative and vitamin k antagonist often called a super warfarin for its added potency and tendency to accumulate in the liver of the poisoned organism when first introduced to the uk market in 1980 it was effective against rodent populations that had become resistant to first generation. Another cause of anticoagulant poisoning in dogs is the accidental ingestion of medication.
Ld50 1 125 mg kg rat as 100 bromadiolone.