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. 2016 May 9;47:54. doi: 10.1186/s13567-016-0340-2

Figure 2.

Figure 2

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.