AcknowledgementsThis study was conducted with financial support from Facultyof Veterinary Medicine, Chiang Mai University Intramural researchfund and National Science and Technology Development Agency(NSTDA), Thailand (Project ID: P-10-10409 and P-11-00792). Theauthors would also like to thank the WHO National Salmonella andShigella Center (NSSC), Thailand for their help and advice, espe-cially in determining Salmonella characteristics. Finally, we wouldlike to thank Dr. Chongchit S. Robert and G. Lamar Robert for theirexcellent manuscript proofreading and editing.