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Table 1 Zone interpretive chart for antimicrobials (inhibition zone diameter in mm)

From: A study on Ovine pneumonic pasteurellosis: Isolation and Identification of Pasteurellae and their antibiogram susceptibility pattern in Haramaya District, Eastern Hararghe, Ethiopia

Antimicrobial agent

Disc potency

Resistant

Intermediate

Susceptible

 

(μg)

(≤)

 

(≥)

Tetracycline

30

14

15-18

19

Streptomycin

10

11

12-14

15

Chloramphenicol

30

12

13-17

18

Vancomycin

30

14

15-16

17

Penicillin-G

10u

28

-

29

Ampicillin

10

13

14-16

17

Sulphamethoxozole

25

10

11-15

16

Gentamicine

10

12

13-14

15

  1. Source: Clinical and Laboratory Standards Institute (CLSI) [18].
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BMC Veterinary Research

ISSN: 1746-6148

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