To investigate the effect of estradiol valerate on lipid metabolism of female Bama Xiang-pigs and its mechanism, a total of 20 healthy female Bama Xiang-pigs of 35 days old were selected and randomly divided into two groups ( control group and experimental group) with each group had 10 replicates and each replicate had 1 pig. The pigs in the control group were fed a basal diet, while the pigs in the experimental group were fed the basal diet supplemented with 0. 66 mg/kg estradiol valerate ( equivalent to 0. 5 mg/kg estradiol) for 120 d. The re...