Map of the distribution of birds from which Salmonella enterica were isolated. Points on the map are colour coded according to the pulsed-field gel electrophoresis banding patterns obtained using Xba1 and Spe1 enzymes. Larger points represent sites from which more than one Salmonella infected dead bird was found.
Hughes et al. BMC Veterinary Research 2008 4:4 doi:10.1186/1746-6148-4-4