Table 1.
Antimicrobial residues detected in wastewater samples from the in-house WWTP of the examined poultry slaughterhouse.
| Antimicrobiala [µg/L] | Influent (n = 6) | Effluent after physicochemical and biological treatments (n = 6) | Frequency c[%] | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nb1 | N2 | N3 | N4 | N6 | N1 | N2 | N3 | N4 | N5 | ||
| TYL | 3.7 | 0.83 | 12 | 0.27 | 0.24 | 0.08 | 0.11 | 38.9 | |||
| SXM | 0.06 | 0.04 | 11.1 | ||||||||
| SDD | 0.06 | 5.6 | |||||||||
| ENR | 3.9 | 0.47 | 11.1 | ||||||||
| AMP | < LOQ | - | |||||||||
aAbbreviations for antimicrobial agents: TYL tylosin, SXM sulfamethoxazole, SDD sulfadimidine, ENR enrofloxacin, AMP ampicillin.
bN—Sampling number.
cOnly samples with concentrations > LOQ were used for the evaluation.