(Neogen) Vitamin K1 Injection is indicated in coagulation disorders when caused by vitamin K deficiency or interference with vitamin K activity; to counter hypoprothrombinemia induced by ingestion of anticoagulant rodenticides; or to counter hypoprothrombinemia caused by consumption of bishydroxycoumarin found in spoiled and moldy sweet clover. Vitamin K1 Injection contains 10 mg phytonadione per ml. The dosage range for cattle, calves, horses, swine, sheep and goats is 0.5 - 2.5 mg/kg SQ or IM. The dosage range for dogs and cats is 0.25 - 5mg/kg SQ or IM. Phytonadione.