“…Pharmacologically active substances/marker residues from eight different groups were included in the analytical scope namely: antimicrobials from different classes [aminoglycosides (10), amphenicols (3), beta-lactams (14), lincosamides (2), macrolides (9) quinolones/ fluoroquinolones (10), sulfonamides (13), tetracyclines (4) and others (9)], growth promoter (3), anticoccidials (15), anti-inflammatory (16) (non-hormonal and steroidal), antiparasitic (23) and their metabolites (8), beta agonists (5), sedatives (6), and dyes (2) and their metabolites (2). Commercial analytical standards for the total of 154 substances searched were acquired from different manufacturers: Dr Ehrenstorfer (Augsburg, Germany), LGC Standards GmbH (Wesel, Germany), Toronto Research Chemicals (TRC Inc.) (North York, ON, Canada), Sigma-Aldrich (St. Louis, MO, USA) e Witega (Berlin, Germany).…”