Pharmacological dosage: It is 6-35 mg/kg l.w. for broiler and laying chickens. Practical dosage: Species Therapeutic Dosages Kg/l.w. Drinking Water Duration/Day Broiler 300 ml 1000 ml 1 Ton 7 Laying Chickens 300 ml 1000 ml 1 Ton 7 For Amprolsym 25% Oral Solution, the daily dosage is divided into two and administered at a 12-hour interval by taking into consideration the daily water consumption of animals.. The duration of administration should not exceed the recommended one.