Manufacturer: Troy Laboratories Pty Ltd Composition Folic acid 15 mg/mL, hydroxocobalamin acetate 500 microgram/mL. Indications Anaemias due to vitamin B12 and folic acid deficiencies in horses and dogs. Withholding Periods Meat. Horses: nil. Dosage and Administration Give intramuscularly or intravenously; intravenous injection by or under the supervision of a veterinary surgeon only. Horses. 5 to 10 mL. Dogs. 1 to 2 mL. Repeat once or twice weekly or as required.