To study the clinical toxicity and attenuation of Leucaena in broilers, 250 10-day-old AA broilers were randomly divided into five groups,which every group had 50 broilers.

• 为研究银合欢对肉鸡的临床毒性和减毒作用,250只10日龄AA肉鸡随机分为五组,每组50只。