Figure 1From: The role of co-infections in M. hyopneumoniae outbreaks among heavy fattening pigs: a field studyM. hyopneumoniae co-infections in fattening pigs. Prevalence of other respiratory infections in pigs infected (dark bars, n = 442) and not infected (white bars, n = 144) by M. hyopneumoniae. Bars indicate 95% Confidence Intervals. Asterisks indicate significance level at p < 0.05 in the mixed logistic regression model.Back to article page