Combination | Number of records (N = 676) |
---|---|
Penicillin + tetracycline | 24 |
Penicillin + ceftiofur | 16 |
Penicillin + sulfonamide | 13 |
Sulfonamide + tetracycline | 9 |
Neomycin + tetracycline | 8 |
Tulathromycin + ceftiofur | 8 |
Sulfonamide + trimethoprim | 8 |
Penicillin + sulfonamide + tetracycline | 7 |