Table 2.
Sterigmatocystin (STC) concentrations (measured as pg/mg creatinine) determined using liquid chromatography-tandem mass spectrometry in the urine of cattle and the effects of the application of a mycotoxin adsorbent (MA).
| Samples | Day 0 | Day 16 | Day 58 | Day 72 | |
|---|---|---|---|---|---|
| Herd 1 (zearalenone (ZEN) contamination) | STC in straw; (mg/kg) | 0.15 | 0.17 | 0.24 | New: 0.04; Old: 0.21 |
| STC in concentrate; (mg/kg) | <0.01 | <0.01 | <0.01 | NT | |
| STC in urine | |||||
| MA1 | 327 ± 26 | 209 ± 22 | 569 ± 111 | 33 ± 8 a | |
| MA2 | 247 ± 57 | 239 ± 28 | 416 ± 62 c | 258 ± 33 b | |
| Control | 190 ± 43 a | 182 ± 43 | 898 ± 97 a,d | 354 ± 56 b | |
| Samples | Day 0 | Day 16 | Day 50 | ||
| Herd 2 (no ZEN contamination) | STC in straw (mg/kg) | 0.06 | 0.03 | <0.01 | |
| STC in concentrate (mg/kg) | <0.01 | <0.01 | <0.01 | ||
| STC in urine | |||||
| MA1 | 67 ± 22 | 147 ± 39 | 42 ± 19 | ||
| MA2 | 76 ± 22 | 86 ± 21 | 0 | ||
| Control | 20 ± 13 b | 62 ± 23 | 0 b |
Within rows, different superscript letters (a–b, c–d) indicate significant differences (p < 0.05).