Occurrence and Characterization of Salmonella Isolated from Large-Scale Breeder Farms in Shandong Province, China

Table 5

standard of CLSI.

CIP

NAL

EM

STR

MOR

CTX

GEN

AMP

SXT

CRO

PB

TET

CHL

R

≤20

≤13

≤13

≤11

≤12

≤22

≤12

≤13

≤10

≤19

≤8

≤14

≤12

I

20-30

14-18

14-22

12~14

13-16

23-25

13-14

14-16

11~15

20-22

8~11

15-18

13-17

S

≥31

≥19

≥23

≥15

≥17

≥26

≥15

≥17

≥16

≥23

≥12

≥19

≥18

(a) R= resistant; I= intermediate; S= susceptible.
(b) Nalidixic acid = NAL; norfloxacin= NOR; erythromycin = EM; streptomycin=STR; ampicillin = AMP; tetracycline = TET; ciprofloxacin= CIP; chloramphenicol= CHL; ceftriaxone = CRO; cefotaxime= CTX; gentamicin = GEN; sulfamethoxazole= SXT; polymyxin =PB.