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Table 2 Metaphylactic efficacy of tylvalosin (TVN) compared with unmedicated controls (CTL) during natural outbreaks of enzootic pneumonia associated with M. hyopneumoniae in Hungary and France

From: Evaluation of the clinical efficacy of a water soluble formulation of tylvalosin in the control of enzootic pneumonia associated with Mycoplasma hyopneumoniae and Pasteurella multocida in pigs

  Healthy on Frequency of new cases
Day 0 Day 5 Day 13 Day 5–13
n n n n (%) p-value*
Hungary
 TVN 239 226 224 2 (0.9%) 0.03
 CTL 219 201 192 9 (4.5%)  
France
 TVN 165 111 106 5 (4.5%) 0.02
 CTL 157 106 91 15 (14.2%)  
Both sites combined
 TVN 404 340 330 7 (2.1%) < 0.01
 CTL 376 307 283 24 (7.8%)  
  1. M. hyopneumoniae and other bacteria including P. multocida were isolated at both sites prior to Day 0
  2. * p-value from logistic model with random effect of pen in each site and random effect of site in combined analysis