Group name | No. of animals | Route of inoculation | Inoculum | |
---|---|---|---|---|
1st day of challenge (0 dpi) | 2nd day of challenge (1 dpi) | |||
Control | 2 | Endotracheal | 5 mL PBS | 5 mL PBS |
2 | Intranasal | |||
2 | Aerosol | |||
ET | 8 | Endotracheal | 5 mL M. hyopneumoniae fresh culture | 5 mL M. hyopneumoniae fresh culture |
IN | 8 | Intranasal | ||
AE | 8 | Aerosol |