This experiment was conducted to study the effect of Ligustrum lucidum(LL) and its extract(LLE)on growth performance and immunity in weaned piglets.Seventy-two crossbred(Duroc×Landrace×Yorkshire) weaned pigs with similar boby weight(7.4±0.4)kg,were randomly assigned to four dietary treatments with three replicates of six pigs each pen(three gilts and three barrows).The experiment lasted for 28 days.The control group was fed basal diet,while the testing groups were fed basal diet supplemented with 1 % Ligust...