Figure 2From: Induction of mycoplasmal pneumonia in experimentally infected pigs by means of different inoculation routes M. hyopneumoniae -IgA antibodies (mean ± SD of OD values at 405 nm) in BALF from Control, ET, IN and AE groups at 28 dpi. Different superscripts indicate significant differences among groups (p < 0.05). Discontinuous line represents the positivity threshold.Back to article page