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Table 6 Antimicrobial resistance phenotypes of 49 Salmonella isolates

From: Serotype, antimicrobial susceptibility and genotype profiles of Salmonella isolated from duck farms and a slaughterhouse in Shandong province, China

Antibacterial agents

Number of resistant isolates (%)

Total

(n = 49)

Sample from

Farm 1

(n = 11)

Farm 2

(n = 10)

Farm 3

(n = 8)

Farm 4

(n = 18)

Slaughterhouse

(n = 2)

β-Lactams

 AMP

0

8 (80.0)

6 (75.0)

13(72.2)

0

27 (55.1)

 CRO

0

5 (50.0)

2 (25.0)

1 (5.6)

0

8 (16.3)

 CTX

0

3 (30.0)

2 (25.0)

0

0

5 (10.2)

Macrolides

 EM

11 (100.0)

10 (100.0)

8 (100.0)

18 (100.0)

2 (100.0)

49 (100.0)

Aminoglycosides

 GEN

0

6 (60.0)

2 (25.0)

6 (33.3)

0

14 (28.6)

 STR

4 (36.4)

9 (90.0)

5 (62.5)

9 (50.0)

0

27 (55.1)

Tetracyclines

 TET

0

7 (70.0)

4 (50.0)

5 (27.8)

0

16 (32.7)

Sulfonamides

 SXT

0

2 (20.0)

2 (25.0)

1 (5.6)

0

5 (10.2)

Quinolones

 NOR

0

7 (70.0)

2 (25.0)

1 (5.6)

0

10 (20.5)

 CIP

0

7 (70.0)

2 (25.0)

3 (16.7)

0

12 (24.5)

 NAL

11 (100.0)

10 (100.0)

8 (100.0)

18 (100.0)

0

47 (95.9)

Amphenicols

 CHL

0

2 (20.0)

2 (25.0)

1 (5.6)

0

5 (10.2)

 FFN

0

2 (20.0)

2 (25.0)

1 (5.6)

0

5 (10.2)

Polypeptide

 PB

0

0

0

0

0

0