The mean serum level of IL-12(p70) was 19.44 pg/ml in combined bacterin group, 12.41 pg/ml in Staphylococcus aureus group, 10.35 pg/ml in Salmonella typhimurium group, 11.68 pg/ml in Mycobactoria phlei group, and 4.45 pg/ml in control group;

• D组小鼠血清IL-12(p70)的平均含量最高(19.；44pg/ml)；A、B、C组IL-12(p70)的平均含量分别为11