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Active ingredients and brands of antibiotics used by pig farmers.
| Active ingredient of antibiotics | Number of brands | Number of user farms |
|---|---|---|
| Procaine/benzathine benzylpenicillin | 6 | 45 |
| Dihydrostreptomycin | 8 | 50 |
| Chlortetracycline | 1 | 9 |
| Gentamicin | 1 | 4 |
| Sulphadimidine | 8 | 33 |
| Trimethoprim | 1 | 4 |
| Oxytetracycline | 21 | 58 |
| Enrofloxacin | 4 | 9 |
| Erythromycin | 2 | 5 |
| Norfloxacin | 1 | 2 |
| Amoxicillin | 1 | 1 |
