Microbial control lab report for E. coli
gp23
ABXZoneofInhibition.docx|
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Diameter of Zone of Inhibition (mm) |
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Disk Symbol |
Antibiotic |
Concentration
|
Resistant |
Intermediate |
Sensitive |
|
AM |
Ampicillin: gram negatives and enterococci |
10 μg |
13 or less |
14 -16 |
17 or more |
|
AM |
Ampicillin: staphylococci & penicillin G susceptible |
10 μg |
28 or less |
|
29 or more |
|
B |
Bacitracin |
10 IU |
8 or less |
9 -12 |
13 or more |
|
CB |
Carbenicillin: Proteus & Escherichia coli |
100 μg |
19 or less |
20 - 22 |
23 or more |
|
CB |
Carbenicillin: Pseudomonas aeruginosa |
100 μg |
13 or less |
14 -16 |
17 or more |
|
CR |
Cephalothin |
30 μg |
14 or less |
15 -17 |
18 or more |
|
C |
Chloramphenicol |
30 μg |
12 or less |
13 -17 |
18 or more |
|
CC |
Clindamycin |
2 μg |
14 or less |
15 -16 |
17 or more |
|
CL |
Colistin (Colymycin) |
10 μg |
8 or less |
9 -10 |
11 or more |
|
E |
Erythromycin |
15 μg |
13 or less |
14 -17 |
18 or more |
|
GM |
Gentamicin |
10 μg |
12 or less |
|
13 or more |
|
K |
Kanamycin |
30 μg |
13 or less |
14 -17 |
18 or more |
|
ME |
Methicillin |
5 μg |
9 or less |
10 -13 |
14 or more |
|
N |
Neomycin |
30 μg |
12 or less |
13 -16 |
17 or more |
|
NB |
Novobiocin |
30 μg |
17 or less |
18 - 21 |
22 or more |
|
P |
Penicillin G: Staphylococci |
10 IU |
20 or less |
|
21 or more |
|
P |
Penicillin G: other microorganisms |
10 IU |
11 or less |
12 - 21 |
22 or more |
|
PB |
Polymycin B |
300 IU |
8 or less |
9 -11 |
12 or more |
|
S |
Streptomycin |
10 μg |
11 or less |
12 -14 |
15 or more |
|
G |
Sulfisoxazole |
250 μg |
12 or less |
13 -16 |
17 or more |
|
SXT |
Sulfomethoxazole |
250 μg |
10 or less |
11 -15 |
16 or more |
|
Te |
Tetracycline |
30 μg |
14 or less |
15 -18 |
19 or more |
|
VA |
Vancomycin |
30 μg |
9 or less |
10 -11 |
12 or more |
