Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 11, Number 5—May 2005
Dispatch

Salmonella Derby Clonal Spread from Pork

Sylvia Valdezate*Comments to Author , Ana Vidal†, Silvia Herrera-León*, Javier Pozo†, Pedro Rubio†, Miguel A. Usera*, Ana Carvajal†, and M. Aurora Echeita*
Author affiliations: *Instituto de Salud Carlos III, Madrid, Spain; †Universidad de León, León, Spain

Main Article

Table 2

Salmonella enterica* Derby strains (N = 63) from the swine group

Swine operations/ finishing units No. of PFGE profiles/resistance patterns No. of PFGE profiles (no. of swine) Resistance phenotype (no. of swine)
A-1 (6 strains) 1/2 1 (5) S,G,To,Su,T,C (1)
A,S,G,To,Nt,Su,T,Nx,C (4)†
A-2 (3 strains) 1/1 1 (3) A,S,G,Su,T,C (3)
B-3 (16 strains) 2/7 1 (4) (1)‡
S,Su,T (2)
S,Su,T,C (1)
8 (11) (1)§
(1)‡
S,Su,T (8)
A,S,G,To (1)
C-4 (1 strain) 1/1 1 (1) S,Su,T (1)
D-5 (32 strains) 3/3 1 (17) S,Su,T (17)
2 (2) S,Su,T (2)
21 (1) A,S,Su,T,SxT (1)
D-6 (5 strains) 2/4 22 (2) A,S,G,T,Ap,Su,SxT,C (1)
A,S,G,To,Ak,Su,T,SxT,C (1)
15 (2) T (1)
A,S,G,To,T (1)

*Identified in 48 swine slaughtered at 4 swine operations (A–D) and 6 finishing units (1-6) in Spain. PFGE, pulsed-field gel electrophoresis; S, streptomycin; G, gentamicin; To, tobramycin; Su, sulfamethoxazole; T, tetracycline; C, chloramphenicol; A, ampicillin; Nt, netilmicin; SxT, cotrimoxazole.
†GyrA mutation (MIC nalidixic acid/ciprofloxacin): Hys 87 = 48/0.09 μg/mL.
‡Susceptible to all antimicrobial agents tested except spectinomycin.
§Susceptible to spectinomycin.

Main Article

Page created: April 24, 2012
Page updated: April 24, 2012
Page reviewed: April 24, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
file_external