A new, highly specific calorimetric DNA hybridization method (cDNAH) for detection of Salmonellfl in foods was developed. It detected 355/362 strains representing 206/213 scrovars of Salmonella, and showed no cross-reactivity with 32 different non-Salmon& species, including a variety of Enterobacfer and Citrobacter species. The cDNAH method was compared with the BAM/AOAC culture method in two studies: (1) with 20 different inoculated and uninoculated foods overall agreement between the two methods was 99%.(2) with naturally contaminated foods at two independent sites agreement with culture was 99.8% where 9/404 samples were positive for Salmonella.

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