Vertebrate Pest Conference: Proceedings
Vertebrate Pest Conference Proceedings: 13th (1988)
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Date of this Version
3-1-1988
Document Type
Article
Abstract
Twenty dogs received a potentially lethal (15 mg/kg) dose of brodifacoum, a halogenated coumarin-type anticoagulant poison. Eleven were immediately treated with vitamin K: daily for 5 days, either by intramuscular injections (2 mg/kg) or oral tablets (1 mg/kg). It was necessary to give further doses of vitamin Kj to most of the dogs for up to 2 weeks after the first treatment period to reduce their P times to normal levels (<10 >seconds). Four dogs were not given further vitamin Kj and two of these died of acute blood loss from an intrathoracic hemorrhage. Nine dogs received vitamin K: (2 mg/kg by intramuscular injection) when clinical signs of anticoagulant poisoning were observed. Two dogs died suddenly without pre¬monitory clinical signs of poisoning. The remaining 7 dogs showed various signs of anticoagulant poisoning 4 to 8 days after dosing and they received a 5 day course of vitamin Kr After this period one dog had a transient rise in its P time but this returned to normal without treatment, while another dog was treated on days 16,20,29 and 30. In conclusion, the authors recommended vitamin K: therapy, 2 mg/kg by tablet or injection, daily for 3 weeks in cases of known or suspected brodifacoum poisoning in dogs.