Fig. 6From: N-terminus of flagellin enhances vaccine efficacy against Actinobacillus pleuropneumoniaeGross lesion of the lungs after challenge with virulent A. pleuropneumoniae strain 4707. Mice (n = 5) were immunized twice the five vaccine formulations and challenged with 10 LD50 (5 × 107 CFU/dose) A. pleuropneumoniae strain 4707. Examples of lungs of sacrificed mice are shownBack to article page