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Table 4 Detection capability for the selected antimicrobials

From: Primary validation of Charm II tests for the detection of antimicrobial residues in a range of aquaculture fish

Family

Compound

EU-MRL (μg/kg)

CCβ (μg/kg)

No of samples

No of positive samples

Counter results (cpm)

% Detection of each antimicrobial

Mean

Min

Max

Tetracyclines (CP = 1514 cpm)

Tetracycline

100

25

20

20

724

650

825

100

Chlortetracycline

100

25

21

21

1200

942

1421

100

Oxytetracycline

100

100

31

31

1269

1074

1460

100

Macrolides (CP = 2118 cpm)

Erythromycin A

200

100

30

30

1669

954

1955

100

Tilmicosin

50

100

21

21

1565

1221

2078

100

Tylosin A

100

100

21

21

1440

1103

1742

100

β-Lactams (CP = 1530 cpm)

Penicillin G

50

25

22

22

1175

921

1421

100

Ampicillin

50

50

21

21

1055

837

1451

100

Amoxicillin

50

50

22

22

1132

908

1409

100

Oxacillin

300

300

24

24

1286

1082

1459

100

Dicloxacillin

300

300

22

21

1186

827

1839

95.5

Cloxacillin

300

300

20

19

1143

681

1547

95.0

Aminoglycosides (CP = 3346 cpm)

Streptomycin

500

25

22

22

2424

1642

3074

100

Sulfonamides (CP = 1424 cpm)

Sulfamethazine

100

25

29

28

1240

813

1831

96.6

Sulfadimethoxine

100

25

20

20

968

737

923

100

Sulfamerazine

100

25

21

21

842

716

960

100

Sulfadiazine

100

25

20

20

948

735

1361

100

Sulfathiazole

100

25

20

19

989

698

1782

95.0