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Table 3 Proportion (%) of M. hyopneumoniae rt-PCR positive animals in laryngeal swabs through the study, lung tissue and BALF and Ct values (mean ± SD) from Control, ET, IN and AE groups

From: Induction of mycoplasmal pneumonia in experimentally infected pigs by means of different inoculation routes

Groups Laryngeal swabs Lung tissue BALF
−1 dpi 7 dpi 14 dpi 21 dpi 28 dpi
Prop. (%) Ct Prop. (%) Ct* Prop. (%) Ct* Prop. (%) Ct* Prop. (%) Ct* Prop. (%) Ct* Prop. (%) Ct*
Control 0/6 (0.0)a NA 0/6 (0.0)a NA 0/6 (0.0)a NA 0/6 (0.0)b NA 0/6 (0.0)b NA 0/6 (0.0)b NA 0/3 (0.0)b NA
ET 0/8 (0.0)a NA 2/8 (25.0)a 38.8 ± 0.4 3/8 (37.5)a 31.8 ± 2.6 5/8 (62.5)a 34.4 ± 1.6a 5/8 (62.5)a 33.6 ± 2.8a 7/8 (87.5)a 26.8 ± 0.9a 3/3 (100)a 24.1 ± 1.0a
IN 0/8 (0.0)a NA 0/8 (0.0)a NA 0/8 (0.0)a NA 2/8 (25.0)ab 33.1 ± 0.8a 6/8 (75.0)a 35.3 ± 3.2a 5/8 (62.5)ab 33.5 ± 6.1b 3/3 (100)a 22.9 ± 2.2a
AE 0/8 (0.0)a NA 0/8 (0.0)a NA 0/8 (0.0)a NA 3/8 (37.5)ab 35.4 ± 4.1a 3/8 (37.5)ab 33.9 ± 5.0a 3/8 (37.5)b 28.5 ± 7.7a 3/3 (100)a 26.2 ± 1.9a
  1. Different superscripts within a column indicate significant differences between groups (p < 0.05).
  2. Prop proportion, NA non-applicable.
  3. * Mean Ct value has been calculated considering only those rt-PCR positive animals.