Skip to main content

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