Table 2.
Antibiotic susceptibility patterns of enterobacteria isolated from lake sediment identified by biochemical analysis.
| Isolation lagoon | Species/ Number of isolated | PS | Antibiotic |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATM | GM | MK | CAZ | AMC | C | CIP | CFL | AZM | TE | NA | |||
| Pomacocha |
Escherichia coli (9) |
S | 22.22 | 100 | 44.44 | 0 | 0 | 11.11 | 0 | 77.78 | 88.89 | 55.56 | 66.67 |
| I | 0 | 0 | 0 | 0 | 0 | 22.22 | 22.22 | 22.22 | 11.11 | 22.22 | 33.33 | ||
| R | 77.78 | 0 | 55.56 | 100 | 100 | 66.67 | 77.78 | 0 | 0 | 22.22 | 0 | ||
|
Enterobacter sp. (13) |
S | 0 | 0 | 23.08 | 23.08 | 15.38 | 69.23 | 100 | 84.62 | 53.85 | 69.23 | 76.92 | |
| I | 15.38 | 30.77 | 23.08 | 15.38 | 0 | 0 | 0 | 15.38 | 30.77 | 7.69 | 7.69 | ||
| R | 84.62 | 69.23 | 53.85 | 53.85 | 84.62 | 30.77 | 0 | 0 | 15.38 | 23.08 | 15.38 | ||
|
Klebsiella pneumoniae (5) |
S | 100 | 20 | 0 | 80 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | |
| I | 0 | 20 | 0 | 20 | 60 | 0 | 0 | 20 | 0 | 0 | 0 | ||
| R | 0 | 60 | 100 | 0 | 40 | 100 | 100 | 80 | 80 | 100 | 100 | ||
| Habascocha |
Escherichia coli (5) |
S | 0 | 40 | 0 | 0 | 40 | 0 | 100 | 60 | 60 | 0 | 0 |
| I | 0 | 0 | 0 | 0 | 60 | 40 | 0 | 40 | 20 | 40 | 60 | ||
| R | 100 | 60 | 100 | 100 | 0 | 60 | 0 | 0 | 20 | 60 | 40 | ||
|
Citrobacter sp. (3) |
S | 33.33 | 0 | 0 | 33.33 | 0 | 0 | 33.33 | 33.33 | 100 | 66.67 | 33.33 | |
| I | 66.67 | 100 | 100 | 33.33 | 0 | 0 | 66.67 | 66.67 | 0 | 33.33 | 33.33 | ||
| R | 0 | 0 | 0 | 33.33 | 100 | 100 | 0 | 0 | 0 | 0 | 33.33 | ||
|
Salmonella sp. (6) |
S | 50 | 66.67 | 16.67 | 66.67 | 0 | 0 | 66.67 | 66.67 | 66.67 | 0 | 16.67 | |
| I | 33.33 | 33.33 | 33.33 | 33.33 | 50 | 33.33 | 33.33 | 16.67 | 0 | 50 | 50 | ||
| R | 16.67 | 0 | 50 | 0 | 50 | 66.67 | 0 | 16.67 | 33.33 | 50 | 33.33 | ||
| Tipicocha |
Escherichia coli (11) |
S | 0 | 100 | 63.64 | 0 | 0 | 0 | 36.36 | 27.27 | 0 | 45.45 | 0 |
| I | 0 | 0 | 9.09 | 18.18 | 36.36 | 18.18 | 0 | 27.27 | 36.36 | 18.18 | 27.27 | ||
| R | 100 | 0 | 27.27 | 81.82 | 63.64 | 81.82 | 63.64 | 45.45 | 63.64 | 18.18 | 72.73 | ||
| Tranca Grande |
Escherichia coli (5) |
S | 0 | 0 | 20 | 0 | 0 | 0 | 20 | 20 | 100 | 60 | 60 |
| I | 0 | 0 | 0 | 0 | 40 | 0 | 20 | 40 | 0 | 40 | 60 | ||
| R | 100 | 100 | 80 | 100 | 60 | 100 | 60 | 40 | 0 | 0 | 0 | ||
|
Enterobacter sp. (8) |
S | 0 | 0 | 25 | 37.5 | 75 | 50 | 75 | 62.5 | 37.5 | 25 | 25 | |
| I | 0 | 0 | 37.5 | 37.5 | 0 | 0 | 25 | 37.5 | 12.5 | 37.5 | 12.5 | ||
| R | 100 | 100 | 37.5 | 25 | 25 | 50 | 0 | 0 | 50 | 37.5 | 62.5 | ||
PS: Profile susceptibility, S: Sensitive, I: Intermediate, R: Resistant. ATM: Aztreonam, GM: Gentamicin, MK: Amikacin, CAZ: Ceftazidime, AMC: Amoxicillin – Clavulanic Acid, C: Chloramphenicol, CIP: Ciprofloxacin, CFL: Cephalexin, AZM: Azithromycin, TE: Tetracycline, NA: Nalidixic Acid.