Table 3.

Concentrations and detection frequencies of antibiotics in farmed tilapia retailed at a commercial outlet, Tema.

Antibiotics	Range (μg/kg)	Conc.± SD (μg/kg)	Detection frequency (%)
OTC	LOQ – 5.380	3.521 ± 0.32	58.3
TET	LOQ – 4.262	2.892 ± 0.18	62.5
AMX	LOQ – 1.537	0.655 ± 0.12	54.2
ERT	LOQ – 0.814	0.276 ± 0.11	20.8

LOQ – of quantification, SD – standard deviation, OXY – oxytetracycline, TET – tetracycline, AMX – amoxicillin, ERT – erythromycin.