Four different kinds of Radix Paeoniae Alba preparation were used fordetoxification of acute alfatoxicosis of Beijing duckling. Pretreatment fifty day-oldduckling recieved 12 μg per duckling of alfatoxin B_1, fifty day-old duckling recieved 15μg per duckling of alfatatoxin B_1 and fifty day-old duckling served as untreatedcontrols. Observation made on mortality and necropsy examination for each duckling.Histopathological lesions of liver were also studied. The experimental results indicatedthat Radix Paeoni...