الفهرس 
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Abstract
Salmonella is considered as one of the zoonotic disease that effect human health. Meat and meat products are important protein source for daily meals. A total 200 meat products samples (luncheon, sausage, beef burger, hotdog, kofta, chicken meat, basterma and beef samples) were examined by recent bacteriological methods.
Results obtained:
-Presence of Salmonella in 17 (8.5%) samples.
-Serological identification of isolates; they were seven different serotypes. S. Enteritidis was the predominant one (8 isolates / 47 %), followed by S. Typhimurium (4 isolates / 23.52 %), S. Infantis, S. Haifa, S. Virchow, S. Muenster and S. Montevideo (one isolate / 5.88 % each) .
- By using multiplex PCR technique to detect four virulence genes invA gene was the most prevalent one (100%) in all serovars, followed by fimH (88.23%) present in 15 serovars, hilA (64.70%) present in 11 serovars and stn in 7 serovars (41.17%).