Levofloxacin hydrochloride solution was an antibacterial agent for silkworm rearing,mainly used for controlling silkworm bacterial septicemia.Clinic pharmacodynamic experimental results indicated that the control effect on silkworm septicaemia caused by Bacillus sp.or Bacillus thuringiensis Var.sotto Ishiwata with continuous administration of 100 mg/L levofloxacin hydrochloride solution for 3 days to newly exuviated silkworm larvae of the 4th instar had no significant difference compared with 500 mg/L saraf...