Table 3.
Concentrations of fipronil and fipronil sulfone (mg/kg) in the samples from the feeding experiment (trial 1).
| Day | Eggs | Feathers | ||
|---|---|---|---|---|
| Fipronil | Fipronil Sulfone | Fipronil | Fipronil Sulfone | |
| 0 * | <0.001 | <0.001 | ||
| 1 * | 0.18 (a) | 0.21 (a) | ||
| 2 | 0.16 (a) | 0.19 (a) | ||
| 7 y | 0.80 (b) | 237.32 (b) | 2.92 (a) | 10.40 (a) |
| 14 | 0.43 (c) | 248.40 (b) | 1.36 (a) | 16.33 (a, b) |
| 21 | 0.29 (a) | 262.27 (b) | ||
| 28 | 0.11 (a) | 225.89 (b) | ||
| 35 | <0.001 | 228.59 (b) | ||
| 42 | <0.001 | 197.49 (c) | 0.99 (b) | 20.03 (b) |
| 49 | <0.001 | 126.42 (d) | ||
| 56 | <0.001 | 118.12 (d) | ||
| 63 | <0.001 | 111.25 (d) | ||
| 66 | <0.001 | 62.68 (e) | 0.25 (c) | 44.33 (c) |
| Feed | 11.63 ± 2.91 | 14.07 ± 5.33 | ||
| Liver | 0.006 (a) | 52.17 (a) | ||
| Heart | <LOQ | 59.66 (a) | ||
| Kidney | <LOQ | 41.59 (b) | ||
| Thigh | 0.083 (b) | 20.52 (c) | ||
| Breast | 0.010 (a) | 10.74 (d) | ||
| Brain | 0.066 (b) | 15.95 (c, d) | ||
| Non-compliant | 0.0036 ± 12.67 | 2.05 ± 13.09 | ||
* Day of the start of feeding contamination treatment. y End of feeding contamination. Values among columns (in brackets) followed by unalike letters differ significantly by Fisher’s least significant difference (LSD) procedure, p ≤ 0.05.