A total of 16 healthy Duroc × Landrace × Yorkshire weaned piglets (35 d of age) with an average body weight (BW) of 12.39 ± 0.24 kg were randomly allotted to two treatments with 8 piglets per treatment. The weaned piglets in the control group were fed the basal diet, and the ZEA3.0 treatment was the basal diet supplemented with 3.0 mg/kg ZEA. The basal diet prepared according to the National Research Council (NRC, 2012) The official experimental period was 32 days. After the experiment, four jejunum samples from each group were randomly selected for proteomic analysis.