Sample |
Dilution |
Concentration of tetracycline (m/ml) |
No. of Colony |
No. of Bacteria/ml |
1 |
10-3
10-3
10-3 |
30
60
100 |
53
24
13 |
53×10-3
24×10-3
13×10-3 |
2 |
10-3
10-3
10-3 |
30
60
100 |
77
39
19 |
77×10-3
39×10-3
19×10-3 |
3 |
10-3
10-3
10-3 |
30
60
100 |
103
61
27 |
103×10-3
61×10-3
27×10-3 |
4 |
10-3
10-3
10-3 |
30
60
100 |
185
73
53 |
185×10-3
73×10-3
53×10-3 |
|