Contamination of animal feedingstuffs with undeclared antimicrobial additives
作者： Lorraine Lynas , Deborah Currie , W. John McCaughey , John D. G. McEvoy , D. Glenn Kennedy
DOI: 10.1080/02652039809374626
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摘要: A study was carried out on 397 feedingstuffs and 11 premixes which 161 (39.5%) were declared free of medication 247 (60.5%) medicated. These subjected to analysis for the presence antibiotics. Of medicated feeds 87 (35.2%) contained undeclared antimicrobials 59 (23.9%) at a concentration sufficient allow quantification by HPLC. unmedicated 71 (44.1%) shown contain detectable 42 (26.1%) concentrations could be quantified The most frequently identified contaminating chlortetracycline (CTC) (15.2%), sulphonamides (6.9%), penicillin (3.4%) ionophores (3.4%). Four samples (ionophores—3, sulphadimidine—1) therapeutic one sample supra‐therapeutic (monensin). remainder sub‐therapeutic. All sulphadimidine detected cause violative tissue residues if fed animals imm...
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