Amfipen LA. 100 mg/ml Suspension for injection Dosage and administration Cattle and sheep 15 mg per kg bodyweight, pigs 25 mg per kg bodyweight, by intramuscular injection. Dogs 15 mg per kg bodyweight, cats 20 mg per kg bodyweight, by subcutaneous injection. Cow 500 kg 75   ml Sheep  50 kg  7.5 ml Pig  50 kg 12.5 ml Dog  10 kg  1.5 ml Cat  5 kg  1  ml Clean the area of the injection site and swab with spirit. Do not use the same injection site more than once during a course of treatment. Do not administer more than 10 ml per injection site in pigs and sheep and 20 ml in cattle. Treatment may be repeated once after 48 hours.