enzootic respiratory diseases in the growing-finishing pig and control

Table 2 - Gross lesions in pigs inoculated with M. hyopneumoniae and yielding M. hyopneumoniea alone or incombination with P. multocida (Sorensen et al 1997)Autopsy (days pi )14 28 57 85 controls% lungs consolidated100 100 71 10 8mean lesion score 5.9 8.3 1.5 0.2 0.1M. hyopneumoniaealone• % of total numberof lungs92 26 90 82 0• mean lesion score 5.5b 5.7b 0.8b 0.2b _-M. hyopneumoniae +P. multocida• % of total numberof lungs• mean lesion score8 74 10 0 010.8c 9.3c 7.6c 0b _b, c : different letters on the same day indicate significant difference in mean lesion scores between the two groups (P