Forcyl 160 ml/ml Solution for Injection for Cattle Dosage and administration - Therapeutic treatment of respiratory infections: 10 mg/kg body weight i.e. 10 ml /160 kg body weight in a single intramuscular injection. - Treatment of acute mastitis caused by sensitive strains of Escherichia coli: 10 mg/kg body weight i.e. 10 ml/160 kg body weight in a single intramuscular or intravenous injection. If the volume to be injected is more than 20 ml, it should be divided between two or more injection sites. To ensure a correct dosage, bodyweight should be determined as accurately as possible to avoid underdosing. Where there is slight cloudiness or visible particles present, such cloudiness or particles disappear when the bottle is shaken before use.