Table 2.
The mean of the Diameters of inhibition zone1 (mm) of bacterial growth inhibited by different concentrations of ethanol extract of propolis and standard antibiotics.
| Bacteria | EEIP2 concentrations | Enrofloxacin | Gentamycin | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 5 μg/disk | 10 μg/disk | |
| A. hydrophila | 17.5 | 14 | 12 | 11 | 10.5 | 9 | 8 | - | - | - | - | - | 32 | 24 |
| Y. ruckeri | 18 | 15 | 14.5 | 12 | 11 | 9 | 7.5 | 7 | - | - | - | - | 33 | 23 |
| S. iniae | 21 | 19 | 19 | 15 | 13 | 12.5 | 11 | 11.5 | 9 | - | - | - | 33 | 22 |
Values expressed are averages of three replicates.
1= 50,000 μg/ml, 2= 25,000 μg/ml, 3= 12,500 μg/ml, 4= 6,250 μg/ml, 5= 3,125 μg/ml, 6= 1562.5 μg/ml, 7=781.25 μg/ml, 8= 390.62 μg/ml, 9= 195.31 μg/ml, 10= 97.65 μg/ml, 11= 48.82 μg/ml and 12= 24.41 μg/ml.