Variable | Level | Herds per level (%) | Herds per level (n) |
---|---|---|---|
Routine antibiotic treatment in suckling pigs | No | 14.4 | 18 |
Yes | 85.6 | 107 | |
Number of treatments in the first week of life | 0 | 18.4 | 23 |
1 | 63.2 | 79 | |
2 | 18.4 | 23 | |
Type of drug in the first week | No treatment | 18.4 | 23 |
Effective against M. hyopneumoniae* | 18.4 | 23 | |
Not effective against M. hyopneumoniae | 63.2 | 79 | |
Number of treatments in the second week of life | 0 | 86.4 | 108 |
1 | 13.6 | 17 | |
Type of drug in the second week | No treatment | 86.4 | 108 |
Effective against M. hyopneumoniae* | 5.6 | 7 | |
Not effective against M. hyopneumoniae | 8.0 | 10 | |
Routine antibiotic treatment in gilts | No | 83.2 | 104 |
Yes | 16.8 | 21 | |
Routine antibiotic treatment in replacement boars | No | 98.4 | 123 |
Yes | 1.6 | 2 | |
Routine antibiotic treatment in sows ante-partum | No | 97.6 | 122 |
Yes | 2.4 | 3 | |
Routine antibiotic treatment in sows post-partum | No | 93.6 | 117 |
 | Yes | 6.4 | 8 |