Supplemental Primer/Adapter Sequences: Primers used for the amplification of the region specific to Salmonella Enteritidis in the invA gene (102-bp, 5’-> 3’) Sal-TM (probe) : [FAM]TGGCGGTGGGTTTTGTTGTCTTCT[TAM] , Tm = 62°C Sal-F (Forward) : GCGTTCTGAACCTTTGGT, Tm = 57 °C Sal- R (Reverse) : CGTTCGGGCAATTCGTTA, Tm = 53 °C Primers used for the amplification of the V3-V4 hyper-variable region of the 16S rRNA gene Primer 1F CTTTCCCTACACGACGCTCTTCCGATCT-TCCTACGGGAGGCAGCAGT (partial P5 adapter–primer) Primer 1R GGAGTTCAGACGTGTGCTCTTCCGATCT-GGACTACCAGGGTATCTAATCCTGTT (partial P7 adapter–primer ) Primer 2F AATGATACGGCGACCACCGAGATCTACACT-CTTTCCCTACACGAC (partial P5 adapter–primer targeting primer 1F) Primer 2R CAAGCAGAAGACGGCATACGAGAT-NNNNNN-GTGACT-GGAGTTCAGACGTGT (partial P7 adapter including index–primer targeting primer 1R)