The veterinary drug BUG-Estrophan is used to synchronize sexual hunting in cows and heifers; treatment of cows with luteal and follicular ovarian cysts, persistent yellow bodies; treatment of cows with postpartum endometritis and uterine subinvolution; treatment and prevention of functional functional disorders of the ovaries in sows; induction and synchronization of farrowing; prevention and therapy of non-opening of the cervix in sheep; termination of unwanted pregnancy in animals (according to indications). The drug is a transparent, colorless liquid, without foreign inclusions, packaged in 10 ml vials. 1 ml contains 0.25 mg of cloprostenol (in the form of cloprostenol sodium salt), as excipients – citric acid, chlorocresol, sodium chloride, sodium citric acid, water for injection. The drug is stored in a dry place protected from light at a temperature from 2 ⁰C to 25 ⁰C. The shelf life is 2 years.