Effects of flavonoids of Pteridium aquilinum on growth performance of young Wanxi white goose were studied in this paper.80 healthy geese at age of 7 days with similar body weight,were divided into three experimental groups(Ⅰ,Ⅱ,Ⅲ)and one control group(Ⅳ)averagely.Flavonoids of Pteridium aquilinum were mixed into food as additive.The additional does of group Ⅰ,Ⅱ,Ⅲ,Ⅳ were 50mg/(kg·d),100mg/(kg·d),150mg/(kg·d),0mg/(kg·d)respectively.Body weight and body size were measured at age 37 days.In body weight and ...