5 mg moxidectin/ml. Dose at the rate of 1ml per 22lbs of body weight. This bottle will treat 220,000lbs og bodyweight. This product is for the treatment of infections and infestations due to internal and external parasites of cattle. Zero slaughter withdrawal. Zero Milk Discard. This is a brand new unopened bottle. Expiration is Feb., 2010. Free Shipping! Please email with questions. Free applicator with purchase!