Table 3.
Consumption of active substance (kg) by drug group and route of administration (oral and parenteral) from 26 fattening operations located in northwestern Italy, for the years 2014 and 2015. In bold are the highest priority critically important antimicrobials (HPCIA) in category B according to the European Medicine Agency [26].
| Substance Group | Parenteral | Oral | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|
| No. Farms | kg | % | No. Farms | kg | % | No. Farms | kg | % | |
| Aminoglycosides | 22 | 20.1 | 5.7 | 0 | 0 | 0 | 22 | 20.1 | 2.4 |
| Penicillines | 22 | 22.9 | 6.5 | 0 | 0 | 0 | 22 | 22.9 | 2.8 |
| 3rd and 4th generation Cephalosporines | 12 | 3.1 | 0.9 | 0 | 0 | 0 | 12 | 3.1 | 0.4 |
| Fenicoles | 24 | 136.1 | 38.7 | 0 | 0 | 0 | 24 | 136.1 | 16.5 |
| Fluoroquinolones | 25 | 23.5 | 6.7 | 1 | 0.04 | 0.01 | 25 | 23.5 | 2.9 |
| Lincosamides | 18 | 8.4 | 2.4 | 0 | 0 | 0 | 18 | 8.4 | 1 |
| Macrolides | 26 | 83.7 | 23.8 | 0 | 0 | 0 | 26 | 83.7 | 10.2 |
| Polymyxins | 3 | 0.2 | 0.1 | 0 | 0 | 0 | 3 | 0.2 | 0.1 |
| Sulfonamides | 15 | 14.8 | 4.2 | 0 | 0 | 0 | 15 | 14.8 | 1.8 |
| Sulfonamide and Trimethoprim | 15 | 18.4 | 5.2 | 5 | 40.3 | 8.6 | 17 | 58.7 | 7.1 |
| Tetracyclines | 20 | 20.4 | 5.8 | 17 | 429.7 | 91.4 | 21 | 450.2 | 54.8 |
| Total | 26 | 351.6 | 42.8 | 17 | 470.1 | 57.2 | - | 821.7 | 100 |