Vol 3 (1) 2011 - UBM :: Departamentul de Chimie-Biologie
Vol 3 (1) 2011 - UBM :: Departamentul de Chimie-Biologie
Vol 3 (1) 2011 - UBM :: Departamentul de Chimie-Biologie
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H. El-Sayed M. Farag, Concentration of antibiotics residues in farmed tilapia and their relationship to resistant<br />
Aeromonas strains<br />
Table 8. Inci<strong>de</strong>nce of the Different Isolated Aeromonas species Sensitivity Against<br />
Oxytetracycline Disc (30 µg).<br />
Isolated strain Group I (n=60) Group II (n=60) Group III (n=60)<br />
R I S Total R I S Total R I S Total<br />
Total<br />
A. caviae<br />
No. 48 - - 48 20 - - 20 16 - 12 28 96<br />
% 34.29 - - 34.29 31.25 - - 31.25 80 - 60 50 36.92<br />
A. scubertii<br />
No. 32 - - 32 16 - - 16 - 16 - 16 64<br />
% 22.86 - - 22.86 25.00 - - 25.00 - 100 - 28.57 24.62<br />
A. hydrophila<br />
No. 24 - - 24 8 - - 8 - - 8 8 40<br />
% 17.14 - - 17.14 12.50 - - 12.50 - - 40 14.29 15.38<br />
A. trota<br />
No. 24 - - 24 16 - - 16 - - - - 40<br />
% 17.14 - - 17.14 25.00 - - 25.00 - - - - 15.38<br />
A. sobria<br />
No. 12 - - 12 4 - - 4 4 - - 4 20<br />
% 8.57 - - 8.57 6.25 - - 6.25 20 - - 7.14 7.69<br />
Total<br />
No. 140 - - 140 64 - - 64 20 16 20 56 260<br />
% 100 - - 100 100 - - 100 100 100 100 100 100<br />
R = Resistant (≤ 14mm) & I = Intermediate (15-18 mm) & S = Sensitive (≥ 19 mm)<br />
Table 9. Interpretation Sensitivity of the Isolated Aeromonas species Against Oxytetracycline<br />
Disc (30 µg).<br />
Groups<br />
I II III<br />
Interpretation<br />
No. % No. % No. %<br />
Resistant (R) 140 100 64 100 20 35.71<br />
Intermediate (I) ------- ------- ------- ------- 16 28.57<br />
Sensitive (S) ------- ------- ------- ------- 20 35.71<br />
Total 140 100 64 100 56 100<br />
50