Skip to main content

Table 1 Serotypes and antimicrobial resistance (AR) of Salmonella strains isolated from fattening pigs mesenteric lymph nodes a

From: Simultaneous infections by different Salmonellastrains in mesenteric lymph nodes of finishing pigs

Animal code

Serotypes

AR profileb

Class 1 integron size/genesc

Total no. of strains isolated/pig

 

(No. of colonies)

(No. of colonies)

(No. of colonies)

 

1

Typhimurium (4);

ACSSuTNx (4);

2000 bp/blaoxa30-aadA1 (4);

2

Kapemba (6)

CSSuT (6)

1000 bp/aadA1 (6)

2

Typhimurium (8);

ACSSuT (8);

2000 bp/blaoxa30-aadA1 (8);

2

Kapemba (2)

CSSuT (2)

1000 bp/aadA1 (2)

3

Typhimurium (1);

ACSSuT (1);

2000 bp/blaoxa30-aadA1 (1);

3

Kapemba (8);

CSSuT (8);

1000 bp/aadA1 (8);

subsp. arizonae 48: z4,z23:- (1)

Susceptible (1)

None (1)

4

Typhimurium (2);

ACSSuT (2);

2000 bp/blaoxa30-aadA1 (2);

2

subsp. enterica 6,7:-:1,5d (8)

SSu (8)

None (8)

5

Typhimurium (3);

ACSSuT (3);

2000 bp/blaoxa30-aadA1 (3);

2

Goldcoast (7)

ACST (7)

2000 bp/drfA12-aadA2 (7)

6

Typhimurium (8);

ACSSuT (8);

1000+1200 bp/aadA2-pse1 (8)e;

2

Rissen (2)

T (2)

None (2)

7

Rissen (9);

ASSu (9);

2000 bp/drfA12-aadA2 (9);

2

Subsp. arizonae 48:z4,z23:- (1)

Susceptible (1)

None (1)

8

Rissen (10)

ACST (3); A (5); Susceptible (2)

None (10)

3

9

Rissen (10)

ASSu (5); SSu (5)

2000 bp/drfA12-aadA2 (10)

2

10

Derby (10)

SSuT (8); T (2)

None (10)

2

11

Derby (10)

SuT (5); T (5)

1000 bp/aadA1 (5); none (5)

2

12

Typhimurium (10)

ACSSuTNx (10)

1000+1200 bp/aadA2-pse1 (10)e

1

13

Typhimurium (10)

ACSSuT (10)

2000 bp/blaoxa30-aadA1 (10)

1

14

Bredeney (10)

SuTNx (10)

2000 bp/drfA12-aadA2 (10)

1

Total

8 (140)

12

3 amplicon size/ 4 IC1 types

NA

  1. aA total of 140 CFU (10 CFU/pig) isolated in selective BGA or XLD media were purified in agar and characterized; bAntimicrobial agents showing AR strains: (A) Ampicillin and/or Amoxicillin+Clavulanic acid; (C) Chloramphenicol; (S) Streptomycin and/or Gentamicin; (Su) Sulfonamides and/or Trimetoprim+Sulphometoxazole; (T) Tetracycline and/or Doxicycline; (Nx) Nalidixic acid; cGenes identified by IC1 amplicons sequencing; dFlagellar antigen phase 2 was not detected; eSGI1 was detected; NA: Not Applicable.