Table 1

Serotypes and antimicrobial resistance (AR) of Salmonella strains isolated from fattening pigs mesenteric lymph nodesa
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

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.

Garrido et al.

Garrido et al. BMC Veterinary Research 2014 10:59   doi:10.1186/1746-6148-10-59

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