Table 3.
Ranges in measured values of DT50 and10log transformed values of Kd as well as the number of soils used for each antibiotic and the ratio of the maximum and minimum value.
| antibiotic | Classa | Median DT50 (days) (min-max; n) |
ratio max/min |
median 10log(Kd) (min-max; n) |
ratio max/min |
|---|---|---|---|---|---|
| Doxycycline (DOX) | TET | 33 (6.9–200; 17) | 29 | 2.07 (1.7–2.5; 16)** | 6 |
| Flumequine (FLUM) | QUI | 110 (18–380; 23) | 22 | 2.07 (1.0–2.2; 27)** | 14 |
| Lincomycine (LINCO) | MAC | 47 (7.1–230; 23) | 32 | 0.63 (−0.69–1.6; 27) | 186 |
| Oxytetracycline (OTC) | TET | 30 (1.9–91; 18) | 48 | 1.71 (0.60–2.2; 20) | 35 |
| Sulfadiazine (SDZ) | SUL | 5.3 (1.0–23; 25) | 23 | 0.19 (−1.1–1.5; 22) | 427 |
| Sulfadoxine (SDX) | SUL | 6.6 (1.1–25; 24) | 23 | 0.55 (−1.1–1.9; 22) | 1096 |
| Trimethoprim (TMP) | SUL | 120 (19–790; 23) | 41 | 2.14 (1.0–2.2; 21)** | 17 |
| Tylosine (TYL) | MAC | 64 (2.9–440; 23) | 151 | 2.02 (0.28–2.2; 27) | 76 |
| Enrofloxacine (ENRO) | QUI | n.a. | – | 2.00 (1.5–2.2; 11)a | 5 |
a
ESVAC classes [2]: Tetracyclines (TET), Quinolines (QUI), Macrolides and lincosamides (MAC), Sulfonamides and trimethoprim (SUL).** In almost all soils these antibiotics strongly bind (Kd is above 2); no statistical analysis was carried out.