Appendix Figure. Dendogram of cluster analysis of pulsed-field gel electrophoresis (PFGE) banding patterns of XbaI-digested Salmonella enterica serotype Typhimurium DNA. A, ampicillin; C, chloramphenicol; K, kanamycin; Sxt, trimethoprim-sulfa; S, streptomycin; T, tetracycline; Su, sulfonamine; Caz, ceftazidime. TYP004 is the PFGE type characteristic of DT104. Each isolate represented here is a unique bovine-origin isolates (each is from a different herd, year, and resistance type). WA, Washington; ID, Idaho.