50 healthy Landrace×Large White pigs were randomly divided into 5 groups. The groups Ⅰ, Ⅱ, Ⅲ, Ⅳwere supplemented respectively with 30, 150, 300, 600 mg of Boluohui Pulvis per kilogram of feed, which were equivalent to 1, 5, 10, 20 times of the recommended clinical dose. While the control group(CK) was treated without Boluohui Pulvis. All groups were then fed for 60 days continuously and collected the effects of different doses of Boluohui Pulvis on growth performance, hematological indexes, serum biochemical indexes and histopathology of p...
